Was soll dieser Fehler bedeuten ?

21|2014-05-17T16:21:28.7634346+00:00|ERROR|3|AlertController| Error getting channel --> System.Exception: Der Wartevorgang wurde abgebrochen. (Ausnahme von HRESULT: 0x80070102)
at System.Runtime.CompilerServices.TaskAwaiter.ThrowF orNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.Handle NonSuccessAndDebuggerNotification(Task task)
at Classes.AlertController.<getChannel>d__12.MoveNext ()
23|2014-05-17T16:21:28.7674394+00:00|FATAL|3|Application|The application crashed: Object reference not set to an instance of an object. --> System.NullReferenceException: Object reference not set to an instance of an object.
at aPager.App.<updateChannel>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.AsyncMethodBuilder Core.<ThrowAsync>b__4(Object state)
at System.Threading.WinRTSynchronizationContext.Invok er.InvokeCore()