System.ArgumentOutOfRangeException:“Specified argument was out of the range of valid values. Arg_ParamName_Name”

[810906591]

              <hc:Carousel  Margin="3" ItemsSource="{Binding CarouselMaps}"  IsCenter="True" AutoRun="False" MinHeight="400" MaxWidth="600" VerticalAlignment="Center" HorizontalAlignment="Center">
                 
                  <hc:Carousel.ItemTemplate>
                      <DataTemplate>
                            <hc:SimplePanel Width="600">
<Image Stretch="UniformToFill" Source="{Binding ImageSource}"/>
<TextBlock Text="{Binding ImageType}"  FontSize="22"  Foreground="White" Margin="0,35" VerticalAlignment="Bottom" HorizontalAlignment="Center"/>

</hc:SimplePanel>

</hc:Carousel.ItemTemplate>
</hc:Carousel>
</hc:SimplePanel>

报错了