06/25/2016 13:23:24       Error           Build Notifier task failed, System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at PilotsHubApp.Common.NetworkService.RunningOnFreeNetwork()
   at PilotsHubApp.BackgroundWorker.BuildNotifierBackgroundTask.<NotifyAboutBuildIfNeeded>d__2.MoveNext()
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at PilotsHubApp.BackgroundWorker.BuildNotifierBackgroundTask.<Run>d__0.MoveNext()
---> (Inner Exception #0) System.NullReferenceException: Object reference not set to an instance of an object.
   at PilotsHubApp.Common.NetworkService.RunningOnFreeNetwork()
   at PilotsHubApp.BackgroundWorker.BuildNotifierBackgroundTask.<NotifyAboutBuildIfNeeded>d__2.MoveNext()<---