Skip to content
This repository has been archived by the owner on May 1, 2024. It is now read-only.

[Bug] "Foundation.MonoTouchException / Can't add self as subview" at Xamarin.Forms Nuget for iOS v4.6.0.967+ #11183

Closed
akmustafa opened this issue Jun 23, 2020 · 16 comments
Closed

[Bug] "Foundation.MonoTouchException / Can't add self as subview" at Xamarin.Forms Nuget for iOS v4.6.0.967+ #11183

akmustafa opened this issue Jun 23, 2020 · 16 comments
Labels
4.6.0 regression on 4.6.0 a/frame a/listview Problems with the ListView/TableView e/2 🕑 2 i/high Completely doesn't work, crashes, or is unusably slow, has no obvious workaround; occurs less often i/regression p/iOS 🍎 t/bug 🐛
Projects
Sprint 172 Sprint 174

Comments

@akmustafa
Copy link

Description

Steps to Reproduce

  1. While using Xamarin.Forms version 4.6.0.847, upgrade nuget to 4.6.0.867
  2. Scroll in a Listview

Expected Behavior

Scroll to entire list and show all items in list view

Actual Behavior

Listview shows first items which fills up a screen but just after starting to scroll down following error occurring;

Foundation.MonoTouchException: Objective-C exception thrown.

Name: NSInvalidArgumentException 
Reason: Can't add self as subview
Native stack trace:
	0   CoreFoundation                      0x00007fff23e3cf0e __exceptionPreprocess + 350
	1   libobjc.A.dylib                     0x00007fff50ba89b2 objc_exception_throw + 48
	2   CoreFoundation                      0x00007fff23e3cd4c +[NSException raise:format:] + 188
	3   UIKitCore                           0x00007fff4918c178 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 122
	4   eMenu.iOS                           0x0000000106ca16b9 xamarin_dyn_objc_msgSend + 217
	5   ???                                 0x000000010f8fbc10 0x0 + 4556045328

  at ObjCRuntime.Runtime.ThrowNSException (System.IntPtr ns_exception) [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/ObjCRuntime/Runtime.cs:406
  at ObjCRuntime.Runtime.throw_ns_exception (System.IntPtr exc) [0x00000] in /Users/builder/jenkins/workspace/xamarin-macios/xamarin-macios/runtime/Delegates.generated.cs:128
  at at (wrapper native-to-managed) ObjCRuntime.Runtime.throw_ns_exception(intptr)
  at at (wrapper managed-to-native) ObjCRuntime.Messaging.void_objc_msgSend_IntPtr(intptr,intptr,intptr)
  at UIKit.UIView.AddSubview (UIKit.UIView view) [0x0001b] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIView.g.cs:271
  at Xamarin.Forms.Platform.iOS.FrameRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00026] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\FrameRenderer.cs:29
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:190
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:169
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.UpdateCell (Xamarin.Forms.ViewCell cell) [0x00124] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:199
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.set_ViewCell (Xamarin.Forms.ViewCell value) [0x0000a] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:61
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer.GetCell (Xamarin.Forms.Cell item, UIKit.UITableViewCell reusableCell, UIKit.UITableView tv) [0x00034] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:27
  at Xamarin.Forms.Platform.iOS.CellTableViewCell.GetNativeCell (UIKit.UITableView tableView, Xamarin.Forms.Cell cell, System.Boolean recycleCells, System.String templateId) [0x00081] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\CellTableViewCell.cs:74
  at Xamarin.Forms.Platform.iOS.ListViewRenderer+ListViewDataSource.GetCell (UIKit.UITableView tableView, Foundation.NSIndexPath indexPath) [0x00029] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\ListViewRenderer.cs:1046
  at at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)
  at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:86
  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:65
  at eMenu.iOS.Application.Main (System.String[] args) [0x00186] in /Users/mustafa/Documents/Projelerim/Xamarin/eMenu/iOS/Main.cs:17

Basic Information

  • Version with issue: 4.6.0.967 and 4.7.0.968 (latest stable) for IOS
  • Last known good version: 4.6.0.847 for IOS
  • IDE: Visiual Studio Community 2019 for Mac version 8.6.4 (build 14)
  • Platform Target Frameworks:
    • iOS: 13.5
    • Android: No problem
    • UWP: N/A
  • Android Support Library Version:
  • Nuget Packages: Xamarin.Forms. for iOS
  • Affected Devices:

Screenshots

image

Reproduction Link

Workaround
@akmustafa akmustafa added s/unverified New report that has yet to be verified t/bug 🐛 labels Jun 23, 2020
@pauldipietro pauldipietro added this to New in Triage Jun 23, 2020
@akmustafa akmustafa changed the title [Bug] "Foundation.MonoTouchException / Can't add self as subview" at Xamarin.Forms Nuget for iOS [Bug] "Foundation.MonoTouchException / Can't add self as subview" at Xamarin.Forms Nuget for iOS v4.6.0.967+ Jun 23, 2020
@jsuarezruiz jsuarezruiz added a/listview Problems with the ListView/TableView p/iOS 🍎 labels Jun 24, 2020
@jsuarezruiz
Copy link
Contributor

@akmustafa Could you attach a sample where reproduce the issue?. Thanks.

@akmustafa
Copy link
Author

I can attach my .xaml file which I got error.
Here it is....


<?xml version="1.0" encoding="UTF-8" ?>
<ContentPage
    xmlns="http://xamarin.com/schemas/2014/forms"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
    xmlns:i18n="clr-namespace:eMenu;assembly=Localization"
    BackgroundColor="Black"
    x:Class="eMenu.TumRestoranlar">
    <ContentPage.Content>
        <Grid>
            <Image
                x:Name="imgArkaFon"
                Source="OrwinoArkaFon.png"
                Aspect="Fill" />
            <!-- Place here the rest of the layout for the page. -->
            <StackLayout>
                <Grid>
                    <Frame
                        BackgroundColor="WhiteSmoke"
                        Margin="5,3,5,0"
                        CornerRadius="5" />
                    <SearchBar
                        x:Name="aramaBar"
                        TextChanged="Handle_TextChanged_SearchBar"
                        BackgroundColor="Transparent"
                        CancelButtonColor="Black"
                        TextColor="Black"
                        Placeholder="ToDo:Localize Restoran Arama"
                        Margin="5,3,5,0" />
                </Grid>
                <Grid
                    Margin="5,5,5,0"
                    Padding="0"
                    x:Name="stclySadeceYetkiliOlduklarim">
                    <Grid.RowDefinitions>
                        <RowDefinition
                            Height="40" />
                    </Grid.RowDefinitions>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition
                            Width="*" />
                        <ColumnDefinition
                            Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <Frame
                        Grid.Column="0"
                        Grid.ColumnSpan="2"
                        BackgroundColor="WhiteSmoke"
                        CornerRadius="10" />
                    <Label
                        Grid.Column="0"
                        Grid.Row="0"
                        Text="{x:Static i18n:AppResources.TumRestoranlar_SadeceYetkiliOlduklarimiGoster}"
                        TextColor="Black"
                        FontAttributes="Bold"
                        HorizontalOptions="StartAndExpand"
                        VerticalOptions="Center"
                        FontSize="12"
                        Margin="5,0,0,0" />
                    <Switch
                        Grid.Column="1"
                        Grid.Row="0"
                        x:Name="swSadeceYetkiliolduklarim"
                        IsToggled="True"
                        Toggled="Handle_Toggled_swSadeceYetkiliOlduklarim"
                        HorizontalOptions="End"
                        VerticalOptions="Center"
                        Margin="0,0,5,0" />
                </Grid>
                <Grid
                    x:Name="stclyPaketServis"
                    Margin="5,5,5,0"
                    Padding="0"
                    RowSpacing="0">
                    <Grid.RowDefinitions>
                        <RowDefinition
                            Height="40" />
                        <RowDefinition
                            Height="Auto" />
                    </Grid.RowDefinitions>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition
                            Width="*" />
                        <ColumnDefinition
                            Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <Frame
                        Grid.Column="0"
                        Grid.ColumnSpan="2"
                        Grid.RowSpan="2"
                        BackgroundColor="WhiteSmoke"
                        CornerRadius="10" />
                    <Label
                        Grid.Column="0"
                        x:Name="lblPaketServis"
                        Text="{x:Static i18n:AppResources.TumRestoranlar_PaketServisYapanlar}"
                        TextColor="Black"
                        FontAttributes="Bold"
                        HorizontalOptions="StartAndExpand"
                        VerticalOptions="Center"
                        FontSize="12"
                        Margin="5,0,0,0" />
                    <Switch
                        Grid.Column="1"
                        x:Name="swPaketServisVerenler"
                        IsToggled="False"
                        Toggled="Handle_Toggled_swPaketServisVerenler"
                        HorizontalOptions="End"
                        VerticalOptions="Center"
                        Margin="0,0,5,0" />
                  </Grid>
                <ListView
                    x:Name="listViewRestoranlar2"
                    Margin="5,0,5,0"
                    HasUnevenRows="True"
                    IsPullToRefreshEnabled="False"
                    ItemTapped="Handle_ItemTappedListView"
                    HorizontalOptions="FillAndExpand"
                    VerticalOptions="FillAndExpand"
                    ItemsSource="{Binding .}"
                    BackgroundColor="Transparent"
                    SeparatorColor="Transparent">
                    <ListView.ItemTemplate>
                        <DataTemplate>
                            <ViewCell>
                                <Grid
                                    RowSpacing="2"
                                    ColumnSpacing="2"
                                    Padding="0"
                                    Margin="0,3,0,3">
                                    <Grid.RowDefinitions>
                                        <RowDefinition
                                            Height="*" />
                                        <RowDefinition
                                            Height="*" />

                                    </Grid.RowDefinitions>

                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition
                                            Width="64" />
                                        <ColumnDefinition
                                            Width="Auto" />
                                        <ColumnDefinition
                                            Width="*" />
                                        <ColumnDefinition
                                            Width="24" />
                                        <ColumnDefinition
                                            Width="32" />

                                    </Grid.ColumnDefinitions>
                                    <Frame
                                        Grid.Column="0"
                                        Grid.Row="0"
                                        Grid.RowSpan="2"
                                        Grid.ColumnSpan="5"
                                        Padding="2"
                                        BackgroundColor="WhiteSmoke"
                                        CornerRadius="5" />



                                    <Frame
                                        Grid.Column="0"
                                        Grid.Row="0"
                                        Grid.RowSpan="2"
                                        Padding="2"
                                        IsClippedToBounds="True"
                                        BackgroundColor="WhiteSmoke"
                                        CornerRadius="15"
                                        VerticalOptions="Center"
                                        HorizontalOptions="Center"
                                        Margin="3,2,2,2">
                                        <Image
                                            Source="{Binding RestoranLogo}"
                                            HorizontalOptions="Center"
                                            VerticalOptions="Center" />
                                    </Frame>
                                    <Label
                                        Text="{Binding RestoranSubeAdi}"
                                        Grid.Column="1"
                                        Grid.Row="0"
                                        Grid.ColumnSpan="3"
                                        FontAttributes="Bold"
                                        FontSize="15"
                                        VerticalOptions="FillAndExpand"
                                        HorizontalOptions="FillAndExpand"
                                        HorizontalTextAlignment="Start"
                                        VerticalTextAlignment="Center"
                                        Margin="3,6,5,0" />
                                    <Label
                                        Text="{Binding AcikAdres}"
                                        TextColor="DarkGray"
                                        Grid.Column="1"
                                        Grid.Row="1"
                                        Grid.ColumnSpan="3"
                                        FontAttributes="None"
                                        FontSize="10"
                                        VerticalOptions="FillAndExpand"
                                        HorizontalOptions="FillAndExpand"
                                        HorizontalTextAlignment="Start"
                                        VerticalTextAlignment="Center"
                                        Margin="3,0,5,6" />
                                    <Image
                                        Grid.Column="3"
                                        Grid.RowSpan="2"
                                        Source="MenuBtnDelivery.png"
                                        Margin="0,0,0,0"
                                        WidthRequest="16"
                                        IsVisible="{Binding adresimeHizmetverebilir}"
                                        HeightRequest="16" />
                                    <ImageButton
                                        x:Name="lvDetayButton"
                                        Source="Info.png"
                                        Grid.Column="4"
                                        Grid.RowSpan="2"
                                        Margin="3,0,2,0"
                                        WidthRequest="24"
                                        HeightRequest="24"
                                        Clicked="OnClicked"
                                        BackgroundColor="Transparent"
                                        CommandParameter="{Binding Id}"
                                        HorizontalOptions="CenterAndExpand"
                                        VerticalOptions="CenterAndExpand"
                                        Padding="3" />
                                    <!--
                                İleride haritadaki konum için buton eklenecek.
                                <Label BackgroundColor="LightGray" Text="LC" Grid.Column="3" Grid.Row="0" Grid.RowSpan="2" FontAttributes="Bold" FontSize="19" VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" HorizontalTextAlignment="Center" VerticalTextAlignment="Center" />-->
                                </Grid>
                            </ViewCell>
                        </DataTemplate>
                    </ListView.ItemTemplate>
                </ListView>
            </StackLayout>
        </Grid>
    </ContentPage.Content>
</ContentPage>

@rmayrink
Copy link

Hi! I had the same problem, but I couldn't identify how the failure occurs. It happened a few times with window navigation, which made me think it was manipulating the UI of another thread, but then it happened simply by executing "using (HttpResponseMessage response = await httpClient.PostAsync ... )". Really really strange. I returned Xamarin.Forms to version 4.6.0.847 for IOS and the problems are over.

@samhouts samhouts added i/high Completely doesn't work, crashes, or is unusably slow, has no obvious workaround; occurs less often 4.6.0 regression on 4.6.0 i/regression a/frame labels Jun 26, 2020
@samhouts
Copy link
Member

likely related to #10469

@samhouts samhouts added e/2 🕑 2 and removed s/unverified New report that has yet to be verified labels Jun 26, 2020
@samhouts samhouts added this to To do in Sprint 172 via automation Jun 26, 2020
@samhouts samhouts moved this from New to Ready For Work in Triage Jun 26, 2020
@kevins846
Copy link

I'm having the same problem. I reverted to an earlier version and the problem went away. Problem occurred for me when building a list of objects List on Add of the object.

@samhouts samhouts added this to To do in iOS Ready For Work Jul 1, 2020
@samhouts samhouts removed this from Ready For Work in Triage Jul 1, 2020
@motoko89
Copy link

motoko89 commented Jul 3, 2020

I'm on 4.7.0.1080 and the issue is still there. Strangely enough I have another ListView that shows item loaded from local database in the background and it can scroll fine. Maybe it's only for ListView populated using await?

@ish-1313
Copy link

ish-1313 commented Jul 5, 2020 •
edited

hit the same today.
for now have stable crashes in 2 situations in the same list .
1 - adding new items to binded observable collection. crash is not happening on each add. somewhere from 8 to 20 items
2 - same list. adding items so list become longer then screen. trying to scroll it resulted in crash

as far as i have more listview in the app and they contains lot of items and scroll without crash, may be the problem somewhere in current list configuration.

here is mine

  <ResourceDictionary>
       <DataTemplate x:Key="dtMain" x:Name="dtMain">
           <ViewCell>
              <Grid RowSpacing="1" Margin="0,0,0,10">
                     <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="2*" />
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="40" />
                        </Grid.ColumnDefinitions>
                        <Grid.RowDefinitions>
                            <RowDefinition Height="Auto" />
                            <RowDefinition Height="Auto" />
                            <RowDefinition Height="Auto" />
                            <RowDefinition Height="Auto" />
                            <RowDefinition Height="1"/>
                        </Grid.RowDefinitions>
                        <Label Text="{Binding Product.Name}" VerticalOptions="Center" TextColor="Accent"/>
                        <Label Text="{Binding ProductWeight, Converter={StaticResource Weightg2ozConverter}, StringFormat='{0:D}'}" 
                               Grid.Column="1" Grid.RowSpan="3" VerticalOptions="Center" HorizontalOptions="Fill"  HorizontalTextAlignment="Center" FontSize="Large" Margin="0,0,0,0"/>
                        <Button Grid.Column="2" Image="ic_delete_white_24dp.png" Style="{StaticResource CellButtonStyle}" HorizontalOptions="Center" 
                                BackgroundColor="LightSkyBlue" VerticalOptions="Center" HeightRequest="30" WidthRequest="30" CornerRadius="15" Grid.RowSpan="3" Margin="0,0,5,0"
                                x:Name="btDeleteProduct" Clicked="BtDeleteProduct_Clicked"/>
                
                        <Label Grid.Row="1" Grid.ColumnSpan="2" Text="{Binding Composition}" FontSize="Micro" Margin="0" HorizontalOptions="Start"/>
                        <Label Grid.Row="2" Grid.ColumnSpan="2" Text="{Binding Nutrients}" FontSize="Micro" Margin="0" HorizontalOptions="Start" IsVisible="{Binding ShowDetails}"/>
                        <Label Grid.Row="3" Grid.ColumnSpan="2" Text="{Binding EnergyCost}" FontSize="Micro" Margin="0" HorizontalOptions="Start" IsVisible="{Binding ShowDetails}"/>
                        <Grid Grid.Row="4" Margin="0" Padding="0" ColumnSpacing="0" RowSpacing="0">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*" />
                                <ColumnDefinition Width="*" />
                            </Grid.ColumnDefinitions>
                            <Frame  BackgroundColor="{StaticResource BBBarColor}" Opacity="0.3"  VerticalOptions="Fill" HorizontalOptions="Fill" />
                        </Grid>
                    </Grid>
                </ViewCell>
            </DataTemplate>```

and the list 

 <ListView Grid.Row="2" HorizontalOptions="Fill" VerticalOptions="Fill" ItemsSource="{Binding Items}" x:Name="lvProducts" Style="{StaticResource ListViewStyle}" 
                          ItemTemplate="{StaticResource dtMain}" HasUnevenRows="True" SeparatorVisibility="None" ItemSelected="LvProducts_ItemSelected">
                <ListView.Footer>
                    <StackLayout>
                            <StackLayout Orientation="Horizontal" Margin="0,5" >  
                                <Switch x:Name="ToggleView" Toggled="ToggleView_Toggled" />
                                <Label Text="{i18n:Translate Details}" VerticalOptions="Center" FontSize="Small" x:Name="lvlNutrients" />
                            </StackLayout>

                            <Frame  HasShadow="False" x:Name="frameAnalyze">
                        <Frame.GestureRecognizers>
                            <TapGestureRecognizer x:Name="ctlAnalyzegr" NumberOfTapsRequired="1" Tapped="CtlAnalyzegr_Tapped" />
                        </Frame.GestureRecognizers>
                        <control:ctlAnalyzePortion x:Name="ctlAnalyze"  Margin="0" Padding="0" InputTransparent="True"/>
                    </Frame>
                        <Frame  IsVisible="False" x:Name="frAddProducts" HorizontalOptions="Fill" BackgroundColor="{StaticResource BlueColor}" Padding="10,15" Margin="20,30" >
                            <Label Text="{i18n:Translate Tap2AddPortion}" VerticalOptions="Center" HorizontalOptions="Center" FontSize="Large" TextColor="White" HorizontalTextAlignment="Center"/>
                        </Frame>
                    </StackLayout>
                </ListView.Footer>
            </ListView>

@ish-1313
Copy link

ish-1313 commented Jul 6, 2020

I'm on 4.7.0.1080 and the issue is still there. Strangely enough I have another ListView that shows item loaded from local database in the background and it can scroll fine. Maybe it's only for ListView populated using await?

hardly. my list is populated either from sync sqlite, or in callback from another page where user choose item to add.
but not every list in my app crashes

@samhouts samhouts moved this from To do to Returned to backlog in Sprint 172 Jul 6, 2020
@Elinareso
Copy link

Hi everyone,

I'm facing the same error after I update my app to the latest version of XF.

Objective-C exception thrown. Name: NSInvalidArgumentException Reason: Can't add self as subview
Native stack trace:
0 CoreFoundation 0x00000001a79897a8 50CF3336-313F-3A7D-9048-CB1ED8EC3368 + 1222568
1 libobjc.A.dylib 0x00000001a76abbcc objc_exception_throw + 56
2 CoreFoundation 0x00000001a787fb98 50CF3336-313F-3A7D-9048-CB1ED8EC3368 + 134040
3 UIKitCore 0x00000001abedd834 BD57BD6E-12B4-3F92-85CA-754932DA499D + 15579188
4 NeighborStore.Mobile.Surtiapp.iOS 0x0000000105bedc28 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 48702424
5 NeighborStore.Mobile.Surtiapp.iOS 0x0000000105543728 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 41713368
6 NeighborStore.Mobile.Surtiapp.iOS 0x000000010682df74 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 61548324
7 NeighborStore.Mobile.Surtiapp.iOS 0x00000001067ef604 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 61291956
8 NeighborStore.Mobile.Surtiapp.iOS 0x00000001067edea0 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 61285968
9 NeighborStore.Mobile.Surtiapp.iOS 0x0000000107c661b8 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 82749800
10 NeighborStore.Mobile.Surtiapp.iOS 0x0000000107c604c0 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 82726000
11 NeighborStore.Mobile.Surtiapp.iOS 0x0000000107c5f32c _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 82721500
12 NeighborStore.Mobile.Surtiapp.iOS 0x0000000107c6a340 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 82766576
13 NeighborStore.Mobile.Surtiapp.iOS 0x0000000107c47f94 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 82626372
14 NeighborStore.Mobile.Surtiapp.iOS 0x00000001036fb860 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 9961488
15 NeighborStore.Mobile.Surtiapp.iOS 0x00000001097c5320 mono_pmip + 28148
16 NeighborStore.Mobile.Surtiapp.iOS 0x0000000109881394 mono_pmip + 798312
17 NeighborStore.Mobile.Surtiapp.iOS 0x0000000109884bf8 mono_pmip + 812748
18 NeighborStore.Mobile.Surtiapp.iOS 0x0000000102de6418 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 437192
19 NeighborStore.Mobile.Surtiapp.iOS 0x0000000102e1f760 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 671504
20 NeighborStore.Mobile.Surtiapp.iOS 0x0000000102ce3374 NeighborStore.Mobile.Surtiapp.iOS + 2290548
21 UIKitCore 0x00000001ab26b0a4 BD57BD6E-12B4-3F92-85CA-754932DA499D + 2527396
22 UIKitCore 0x00000001ab26fe08 BD57BD6E-12B4-3F92-85CA-754932DA499D + 2547208
23 UIKitCore 0x00000001ab2741c0 BD57BD6E-12B4-3F92-85CA-754932DA499D + 2564544
24 UIKitCore 0x00000001abee485c BD57BD6E-12B4-3F92-85CA-754932DA499D + 15607900
25 QuartzCore 0x00000001ae477724 CF726782-41D5-39A6-8A87-AE03F4F07584 + 1382180
26 QuartzCore 0x00000001ae47d87c CF726782-41D5-39A6-8A87-AE03F4F07584 + 1407100
27 QuartzCore 0x00000001ae4883c0 CF726782-41D5-39A6-8A87-AE03F4F07584 + 1450944
28 QuartzCore 0x00000001ae3d0f1c CF726782-41D5-39A6-8A87-AE03F4F07584 + 700188
29 QuartzCore 0x00000001ae3fa8bc CF726782-41D5-39A6-8A87-AE03F4F07584 + 870588
30 QuartzCore 0x00000001ae3fb2d0 CF726782-41D5-39A6-8A87-AE03F4F07584 + 873168
31 CoreFoundation 0x00000001a790706c 50CF3336-313F-3A7D-9048-CB1ED8EC3368 + 688236
32 CoreFoundation 0x00000001a7901f60 50CF3336-313F-3A7D-9048-CB1ED8EC3368 + 667488
33 CoreFoundation 0x00000001a79023dc 50CF3336-313F-3A7D-9048-CB1ED8EC3368 + 668636
34 CoreFoundation 0x00000001a7901ce8 CFRunLoopRunSpecific + 424
35 GraphicsServices 0x00000001b1a4c38c GSEventRunModal + 160
36 UIKitCore 0x00000001aba30444 UIApplicationMain + 1932
37 NeighborStore.Mobile.Surtiapp.iOS 0x0000000105d8c278 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 50399784
38 NeighborStore.Mobile.Surtiapp.iOS 0x00000001054c3b00 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 41190064
39 NeighborStore.Mobile.Surtiapp.iOS 0x00000001054c3984 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 41189684
40 NeighborStore.Mobile.Surtiapp.iOS 0x0000000102e49b20 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 844496
41 NeighborStore.Mobile.Surtiapp.iOS 0x00000001036fb860 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 9961488
42 NeighborStore.Mobile.Surtiapp.iOS 0x00000001097c5320 mono_pmip + 28148
43 NeighborStore.Mobile.Surtiapp.iOS 0x0000000109881394 mono_pmip + 798312
44 NeighborStore.Mobile.Surtiapp.iOS 0x00000001098875ec mono_pmip + 823488
45 NeighborStore.Mobile.Surtiapp.iOS 0x00000001097a38d8 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 111313032
46 NeighborStore.Mobile.Surtiapp.iOS 0x000000010998fd9c xamarin_localized_string_format_9 + 27112
47 NeighborStore.Mobile.Surtiapp.iOS 0x0000000102e498d8 _ZN7plcrash2MS5async24dwarf_cfa_state_iteratorIyxE4nextEPjPNS1_28plcrash_dwarf_cfa_reg_rule_tEPy + 843912
48 libdyld.dylib 0x00000001a77898f0 3D6D64B4-CB2B-3CC4-A7E9-02774DF7AE74 + 6384

@Delvint
Copy link

Delvint commented Jul 15, 2020

I am also getting this error:

**Foundation.MonoTouchException:** 'Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: Can't add self as subview
Native stack trace:
	0   CoreFoundation                      0x0000000115425f0e __exceptionPreprocess + 350
	1   libobjc.A.dylib                     0x00000001161d49b2 objc_exception_throw + 48
	2   CoreFoundation                      0x0000000115425d4c +[NSException raise:format:] + 188
	3   UIKitCore                           0x0000000122aec178 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 122
	4   pnyxnetmobile.iOS                   0x00000001047f3229 xamarin_dyn_objc_msgSend + 217
	5   ???                                 0x0000000149ec3790 0x0 + 5535184784
'

Thread started: <Thread Pool> #27
**Foundation.MonoTouchException:** 'Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: Can't add self as subview
Native stack trace:
	0   CoreFoundation                      0x0000000115425f0e __exceptionPreprocess + 350
	1   libobjc.A.dylib                     0x00000001161d49b2 objc_exception_throw + 48
	2   CoreFoundation                      0x0000000115425d4c +[NSException raise:format:] + 188
	3   UIKitCore                           0x0000000122aec178 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 122
	4   pnyxnetmobile.iOS                   0x00000001047f3229 xamarin_dyn_objc_msgSend + 217
	5   ???                                 0x0000000149ec3790 0x0 + 5535184784
'

2020-07-15 10:30:42.891983+0200 pnyxnetmobile.iOS[6421:96214] [AppCenterCrashes] ERROR: +[MSWrapperLogger MSWrapperLog:tag:level:]/10 Unhandled Exception:
Foundation.MonoTouchException: Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: Can't add self as subview
Native stack trace:
	0   CoreFoundation                      0x0000000115425f0e __exceptionPreprocess + 350
	1   libobjc.A.dylib                     0x00000001161d49b2 objc_exception_throw + 48
	2   CoreFoundation                      0x0000000115425d4c +[NSException raise:format:] + 188
	3   UIKitCore                           0x0000000122aec178 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 122
	4   pnyxnetmobile.iOS                   0x00000001047f3229 xamarin_dyn_objc_msgSend + 217
	5   ???                                 0x0000000149ec3790 0x0 + 5535184784

  at ObjCRuntime.Runtime.ThrowNSException (System.IntPtr ns_exception) [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/
ObjCRuntime/Runtime.cs:406 
  at ObjCRuntime.Runtime.throw_ns_exception (System.IntPtr exc) [0x00000] in /Users/builder/jenkins/workspace/xamarin-macios/xamarin-macios/runtime/Delegates.generated.cs:128 
  at (wrapper native-to-managed) ObjCRuntime.Runtime.throw_ns_exception(intptr)
  at (wrapper managed-to-native) ObjCRuntime.Messaging.void_objc_msgSend_IntPtr(intptr,intptr,intptr)
  at UIKit.UIView.AddSubview (UIKit.UIView view) [0x0001b] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIView.g.cs:271 
  at Xamarin.Forms.Platform.iOS.FrameRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00026] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\FrameRenderer.cs:29 
  at pnyxnetmobile.iOS.Renderer.FrameiOSRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00001] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Renderer\FrameiOSRenderer.cs:16 
  at Xamarin.Forms.Platform.iOS.Vi
sualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChang
ed (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPo
ol.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Pl
atform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.UpdateCell (Xamarin.Forms.ViewCell cell) [0x00124] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:199 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.set_ViewCell (Xamarin.Forms.ViewCell value) [0x0000a] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:61 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer.GetCell (Xamarin.Forms.Cell item, UIKit.UITableViewCell reusableCell, UIKit.UITableView tv) [0x00034] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:27 
  at Xamarin.Forms.Platform.iOS.CellTableViewCell.GetNativeCell (UIKit.UITableView tableView, Xamarin.Forms.Cell cell, System.Boolean recycleCells, System.String templateId) [0x00081] in D:\a\1\s\Xamarin.Forms.P
latform.iOS\Cells\CellTableViewCell.cs:74 
  at Xamarin.Forms.Platform.iOS.ListViewRenderer+ListViewDataSource.GetCell (UIKit.UITableView tableView, Foundation.NSIndexPath indexPath) [0x00029] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\ListViewRenderer.cs:1046 
  at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)
  at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:86 
  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:65 
  at pnyxnetmobile.iOS.Application.Main (System.String[] args) [0x00061] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Main.cs:33 
--- End of stack trace from previous location where ex
ception was thrown ---

  at (wrapper managed-to-native) ObjCRuntime.Messaging.void_objc_msgSend_IntPtr(intptr,intptr,intptr)
  at UIKit.UIView.AddSubview (UIKit.UIView view) [0x0001b] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIView.g.cs:271 
  at Xamarin.Forms.Platform.iOS.FrameRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00026] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\FrameRenderer.cs:29 
  at pnyxnetmobile.iOS.Renderer.FrameiOSRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00001] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Renderer\FrameiOSRenderer.cs:16 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.Set
Element (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.
Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElem
ent newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.ViewC
ellRenderer+ViewTableCell.UpdateCell (Xamarin.Forms.ViewCell cell) [0x00124] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:199 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.set_ViewCell (Xamarin.Forms.ViewCell value) [0x0000a] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:61 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer.GetCell (Xamarin.Forms.Cell item, UIKit.UITableViewCell reusableCell, UIKit.UITableView tv) [0x00034] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:27 
  at Xamarin.Forms.Platform.iOS.CellTableViewCell.GetNativeCell (UIKit.UITableView tableView, Xamarin.Forms.Cell cell, System.Boolean recycleCells, System.String templateId) [0x00081] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\CellTableViewCell.cs:74 
  at Xamarin.Forms.Platform.iOS.ListViewRenderer+ListViewDataSource.GetCell (UIKit.UITableView tableView, Foundation.NSIndexPath indexPath) [0x00029] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\ListViewRenderer.c
s:1046 
  at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)
  at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:86 
  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:65 
  at pnyxnetmobile.iOS.Application.Main (System.String[] args) [0x00061] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Main.cs:33 	0   CoreFoundation                      0x0000000115425f0e __exceptionPreprocess + 350
	1   libobjc.A.dylib                     0x00000001161d49b2 objc_exception_throw + 48
	2   CoreFoundation                      0x0000000115425d4c +[NSException raise:format:] + 188
	3   UIKitCore                           0x000
0000122aec178 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 122
	4   pnyxnetmobile.iOS                   0x00000001047f3229 xamarin_dyn_objc_msgSend + 217
	5   ???                                 0x0000000149ec3790 0x0 + 5535184784
2020-07-15 10:30:42.916989+0200 pnyxnetmobile.iOS[6421:96214] Unhandled managed exception: Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: Can't add self as subview
Native stack trace:
	0   CoreFoundation                      0x0000000115425f0e __exceptionPreprocess + 350
	1   libobjc.A.dylib                     0x00000001161d49b2 objc_exception_throw + 48
	2   CoreFoundation                      0x0000000115425d4c +[NSException raise:format:] + 188
	3   UIKitCore                           0x0000000122aec178 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 122
	4   pnyxnetmobile.iOS                   0x00000001047f3229 xamarin_dyn_objc_msgSend + 217
	5   ???                                 0x0000000149ec3790 0x0 + 5535184784
 (Foundation.MonoTouchException)
  at ObjCRuntime.Runtime.ThrowNSException (System.IntPtr ns_exception) [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/ObjCRuntime/Runtime.cs:406 
  at ObjCRuntime.Runtime.throw_ns_e
xception (System.IntPtr exc) [0x00000] in /Users/builder/jenkins/workspace/xamarin-macios/xamarin-macios/runtime/Delegates.generated.cs:128 
  at (wrapper native-to-managed) ObjCRuntime.Runtime.throw_ns_exception(intptr)
  at (wrapper managed-to-native) ObjCRuntime.Messaging.void_objc_msgSend_IntPtr(intptr,intptr,intptr)
  at UIKit.UIView.AddSubview (UIKit.UIView view) [0x0001b] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIView.g.cs:271 
  at Xamarin.Forms.Platform.iOS.FrameRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00026] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\FrameRenderer.cs:29 
  at pnyxnetmobile.iOS.Renderer.FrameiOSRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00001] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Renderer\FrameiOSRenderer.cs:16 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [
0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElem
entChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0
x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Plat
form.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.UpdateCell (Xamarin.Forms.ViewCell cell) [0x00124] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:199 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.set_ViewCell (Xamarin.Forms.ViewCell value) [0x0000a] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:61 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer.GetCell (Xamarin.Forms.Cell item, UIKit.UITableViewCell reusableCell, UIKit.UITableView tv) [0x00034] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:27 
  at Xamarin.Forms.Platform.iOS.CellTableViewCell.GetNativeCell (UIKit.UITableView tableView, Xamarin.Forms.Cell cell, System.Boolean recycleCells, System.String templateId) [0x00081] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\CellTableViewCell.cs:74 
  at Xamarin.Forms.P
latform.iOS.ListViewRenderer+ListViewDataSource.GetCell (UIKit.UITableView tableView, Foundation.NSIndexPath indexPath) [0x00029] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\ListViewRenderer.cs:1046 
  at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)
  at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:86 
  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:65 
  at pnyxnetmobile.iOS.Application.Main (System.String[] args) [0x00061] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Main.cs:33 
--- End of stack trace from previous location where exception was thrown ---

  at (wrapper managed-to-native) ObjCRu
ntime.Messaging.void_objc_msgSend_IntPtr(intptr,intptr,intptr)
  at UIKit.UIView.AddSubview (UIKit.UIView view) [0x0001b] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIView.g.cs:271 
  at Xamarin.Forms.Platform.iOS.FrameRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00026] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\FrameRenderer.cs:29 
  at pnyxnetmobile.iOS.Renderer.FrameiOSRenderer.OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00001] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Renderer\FrameiOSRenderer.cs:16 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a
\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00
020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateRenderers (Xamarin.Forms.Element newElement) [0x0008c] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:159 
  at Xamarin.Forms.Platform.iOS.RendererPool.UpdateNewElement (Xamarin.Forms.VisualElement newElement) [0x000b6] in D:\a\1\s\Xamarin.Forms.Platform.iOS\RendererPool.cs:80 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00069] in D:\a\1\s\Xamarin.Forms.Platform.iO
S\VisualElementPackager.cs:192 
  at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnRendererElementChanged (System.Object sender, Xamarin.Forms.Platform.iOS.VisualElementChangedEventArgs args) [0x0000f] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:171 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].OnElementChanged (Xamarin.Forms.Platform.iOS.ElementChangedEventArgs`1[TElement] e) [0x00020] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:384 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x00122] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:292 
  at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.iOS.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:157 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.UpdateCell (Xamarin.Forms.ViewCell ce
ll) [0x00124] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:199 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer+ViewTableCell.set_ViewCell (Xamarin.Forms.ViewCell value) [0x0000a] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:61 
  at Xamarin.Forms.Platform.iOS.ViewCellRenderer.GetCell (Xamarin.Forms.Cell item, UIKit.UITableViewCell reusableCell, UIKit.UITableView tv) [0x00034] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\ViewCellRenderer.cs:27 
  at Xamarin.Forms.Platform.iOS.CellTableViewCell.GetNativeCell (UIKit.UITableView tableView, Xamarin.Forms.Cell cell, System.Boolean recycleCells, System.String templateId) [0x00081] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Cells\CellTableViewCell.cs:74 
  at Xamarin.Forms.Platform.iOS.ListViewRenderer+ListViewDataSource.GetCell (UIKit.UITableView tableView, Foundation.NSIndexPath indexPath) [0x00029] in D:\a\1\s\Xamarin.Forms.Platform.iOS\Renderers\ListViewRenderer.cs:1046 
  at (wrapper managed-to-native) UIKit.UIApplication.UI
ApplicationMain(int,string[],intptr,intptr)
  at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:86 
  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0000e] in /Library/Frameworks/Xamarin.iOS.framework/Versions/13.18.2.1/src/Xamarin.iOS/UIKit/UIApplication.cs:65 
  at pnyxnetmobile.iOS.Application.Main (System.String[] args) [0x00061] in D:\Projects\pnixnet.mobile\pnyxnetmobile\pnyxnetmobile.iOS\Main.cs:33
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x149ec3790
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x149ec3790
[PLCrashReport] MSplframe_cursor_read_frame_ptr:86: 
Stack growing in wrong direction, terminating stack walk
[PLCrashReport] plcrash_writer_write_thread:985: Terminated stack walking early: Corrupted frame
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] 
MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x13de4a5b0
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x149ec3790
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x149ec3790
[PLCrashReport] MSplframe_cursor_read_frame_ptr:86: Stack growing in wrong direction, terminating stack walk
[PLCrashReport] plcrash_writer_write_thread:985: Terminated stack walking early: Corrupted frame
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_frame_ptr:86: Stack growing in wrong direction, terminating stack walk
[PLCrashReport] plcrash_writer_write_thread:985: Terminated stack walking early: Corrupted frame
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_frame_ptr:86: Stack growing in wrong direction, terminating stack walk
[PLCrashReport] plcrash_writer_write_thread:985: Terminated stack walking early: Corrupted frame
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find
 a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e9cf
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e9cf
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the curr
ent frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e9cf
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e9cf
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_frame_ptr:86: Stack growing in wrong direction, terminating stack walk
[PLCrashReport] plcrash_writer_write_thread:985: Terminated stack walking early: Corrupted frame
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5efb3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e653
[PLCrashReport] MSplframe_cursor_read_frame_ptr:86: Stack growing in wrong direction, terminating stack walk
[PLCrashReport] plcrash_writer_write_thread:985: Terminated stack walking early: Corrupted frame
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find
 a loaded image for the current frame pc: 0x142b626bb
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b626bb
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b823a3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b823a3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the curr
ent frame pc: 0x142b626bb
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b626bb
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b823a3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b823a3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142b5e5e6
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14c6b0e9b
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14c6b0e9b
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14c6affeb
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14c6affeb
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14ab6050a
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14c6b0e9b
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14c6b0e9b
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x14c6affeb
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x14c6affeb
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x142a82ad3
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x0
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x0
[PLCrashReport] MSplframe_cursor_read_compact_unwind:67: Could not find a loaded image for the current frame pc: 0x0
[PLCrashReport] MSplframe_cursor_read_dwarf_unwind:236: Could not find a loaded image for the current frame pc: 0x0

For me this occurs when adding new Items to a Collection async. The intial creation of the List works fine.

@Delvint
Copy link

Delvint commented Jul 15, 2020

Here is a repo:

https://github.com/Adlbert/Cant_add_self_as_subview

I used your .xaml @akmustafa. Thank you for that.

@motoko89
Copy link

Any update on when this will be looked at? @samhouts

@BRICEMARCELKOUADIO
Copy link

can someone help me i have this same problem

@ish-1313
Copy link

can someone help me i have this same problem

downgrade to 4.6.0.847 & wait for fix

@BRICEMARCELKOUADIO
Copy link

downgrade to 4.6.0.847 & wait for fix
thank you, it's working now

@samhouts samhouts added this to To do in Sprint 174 Jul 27, 2020
@akmustafa
Copy link
Author

Fixed in 4.7.0.1239

iOS Ready For Work automation moved this from To do to Done Aug 1, 2020
Sprint 174 automation moved this from To do to Done Aug 1, 2020
@samhouts samhouts removed this from Done in iOS Ready For Work Aug 31, 2020
Sign up for free to subscribe to this conversation on GitHub. Already have an account? Sign in.
Assignees
No one assigned
Labels
4.6.0 regression on 4.6.0 a/frame a/listview Problems with the ListView/TableView e/2 🕑 2 i/high Completely doesn't work, crashes, or is unusably slow, has no obvious workaround; occurs less often i/regression p/iOS 🍎 t/bug 🐛
Projects
No open projects
Sprint 172
  
Returned to backlog
Sprint 174
  
Done
Milestone
No milestone
Development

No branches or pull requests
10 participants
@jsuarezruiz @samhouts @akmustafa @Delvint @Elinareso @BRICEMARCELKOUADIO @motoko89 @rmayrink @ish-1313 @kevins846