Get-AzPolicyAlias - value cannot be null

[anwather]

Description

Running Get-AzPolicyAlias - error is generated Value cannot be null. (Parameter 'source')

Running with debug seems to return results up to a certain point and then it errors out

Issue script & Debug output

DEBUG: AzureQoSEvent: Module: Az.Resources:4.4.1; CommandName: Get-AzPolicyAlias; PSVersion: 7.2.0; IsSuccess: False; Duration: 00:00:14.0233222; Exception: Value cannot be null. (Parameter 'source');
DEBUG: Finish sending metric.
DEBUG: 10:42:14 AM - GetAzurePolicyAlias end processing.

Environment data

Name                           Value
----                           -----
PSVersion                      7.2.0
PSEdition                      Core
GitCommitId                    7.2.0
OS                             Microsoft Windows 10.0.22000
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

Module versions

ModuleType Version    PreRelease Name                                PSEdition ExportedCommands
---------- -------    ---------- ----                                --------- ----------------
Script     2.6.1                 Az.Accounts                         Core,Desk {Disable-AzDataCollection, Disable-AzContextAutosave, Enable-AzDataCollection, Enable-AzContextAutosave…}
Script     2.6.0                 Az.Accounts                         Core,Desk {Disable-AzDataCollection, Disable-AzContextAutosave, Enable-AzDataCollection, Enable-AzContextAutosave…}
Script     2.5.4                 Az.Accounts                         Core,Desk {Disable-AzDataCollection, Disable-AzContextAutosave, Enable-AzDataCollection, Enable-AzContextAutosave…}
Script     1.7.1                 Az.Automation                       Core,Desk {Get-AzAutomationHybridWorkerGroup, Remove-AzAutomationHybridWorkerGroup, Get-AzAutomationJobOutputRecord, Import-AzAutomationDs…
Script     4.17.1                Az.Compute                          Core,Desk {Remove-AzAvailabilitySet, Get-AzAvailabilitySet, New-AzAvailabilitySet, Update-AzAvailabilitySet…}
Script     2.2.3                 Az.ContainerRegistry                Core,Desk {New-AzContainerRegistry, Get-AzContainerRegistry, Update-AzContainerRegistry, Remove-AzContainerRegistry…}
Script     1.5.0                 Az.LogicApp                         Core,Desk {Get-AzIntegrationAccountAgreement, Get-AzIntegrationAccountAssembly, Get-AzIntegrationAccountBatchConfiguration, Get-AzIntegrat…
Script     1.4.1                 Az.PolicyInsights                   Core,Desk {Get-AzPolicyEvent, Get-AzPolicyState, Get-AzPolicyStateSummary, Get-AzPolicyRemediation…}
Script     0.11.0                Az.ResourceGraph                    Core,Desk {Search-AzGraph, Get-AzResourceGraphQuery, New-AzResourceGraphQuery, Remove-AzResourceGraphQuery…}
Script     4.4.1                 Az.Resources                        Core,Desk {Get-AzProviderOperation, Remove-AzRoleAssignment, Get-AzRoleAssignment, New-AzRoleAssignment…}
Script     4.4.0                 Az.Resources                        Core,Desk {Get-AzProviderOperation, Remove-AzRoleAssignment, Get-AzRoleAssignment, New-AzRoleAssignment…}
Script     3.12.0                Az.Storage                          Core,Desk {Get-AzStorageAccount, Get-AzStorageAccountKey, New-AzStorageAccount, New-AzStorageAccountKey…}
Script     2.8.3                 Az.Websites

Error output

Value cannot be null. (Parameter 'source')

[dingmeng-xue]

Thanks for reporting. We will look into it.