Outlook sync doesn't work anymore
A few days back it looks like the Outlook sync doesn't work at all anymore. My outlook calendar is frozen in a previous state on my phone and when I added the app to a new computer, it doesn't populate it at all. Running on Android and two different Windows PCs.
Nullable object must have a value.
System.InvalidOperationException: Nullable object must have a value.
at System.ThrowHelper.ThrowInvalidOperationException_InvalidOperation_NoValue() + 0x2d
at System.Nullable`1.get_Value() + 0x12
at CalendarApp.MicrosoftGraphProvider.CachedMicrosoftAppointment.GetModifiedOccurrences() + 0x147
at CalendarApp.ProviderBase.CachedAppointment`1.SetRecurrenceEndDate() + 0xe5
at CalendarApp.ProviderBase.CachedAppointment`1.get_CurrentFieldValues() + 0x3c
at CalendarApp.ProviderBase.CachedAppointment`1.SetRecurrenceEndDate() + 0x3a
at CalendarApp.MicrosoftGraphProvider.CachedMicrosoftAppointment.AddOccurrence(Event) + 0x126
at CalendarApp.MicrosoftGraphProvider.MicrosoftGraphAccount.d__7.MoveNext() + 0xad6
--- End of stack trace from previous location where exception was thrown ---
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
at CalendarApp.MicrosoftGraphProvider.MicrosoftGraphAccount.d__6.MoveNext() + 0x2e2
--- End of stack trace from previous location where exception was thrown ---
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
at System.Runtime.CompilerServices.TaskAwaiter.GetResult() + 0xb
at CalendarApp.ProviderBase.AccountProviderBase`9.d__99.MoveNext() + 0x21b