StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures) throws "The method or operation is not implemented."

Hong 1,186 Reputation points
2021-02-27T14:57:51.323+00:00
await StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures);

The above code occasionally throws the following exception:

System.NotImplementedException: The method or operation is not implemented.
Stack trace:
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() + 0x21
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task) + 0x70
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task) + 0x38
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task) + 0x17

It reported by app analytics from different users in different countries. All have AMD64 architecture with various OS versions:
10.0.19041.153
10.0.18363.1379
10.0.18363.449

Could anyone shed some light on this?

Universal Windows Platform (UWP)
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