Failed Jobs

Enqueued 0 / 0 Scheduled 0 Processing 0 Succeeded 4,801,583 Failed 36,235 Deleted 2 Awaiting 0

Failed jobs do not become expired to allow you to re-queue them without any time pressure. You should re-queue or delete them manually, or apply AutomaticRetry(OnAttemptsExceeded = AttemptsExceededAction.Delete) attribute to delete them automatically.

Id	Job	Failed
#4648507	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. Fewer details...	04/11/2026 05:40:27
#4648507	System.Net.Http.HttpRequestException Response status code does not indicate success: 422 (Unprocessable Entity). System.Net.Http.HttpRequestException: Response status code does not indicate success: 422 (Unprocessable Entity). at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode() at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 30 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648473	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 05:31:45
#4648473	System.Threading.Tasks.TaskCanceledException The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. System.Threading.Tasks.TaskCanceledException: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. ---> System.TimeoutException: The operation was canceled. ---> System.Threading.Tasks.TaskCanceledException: The operation was canceled. ---> System.IO.IOException: Unable to read data from the transport connection: Operation canceled. ---> System.Net.Sockets.SocketException (125): Operation canceled --- End of inner exception stack trace --- at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken) at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource<System.Int32>.GetResult(Int16 token) at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Security.SslStream.ReadAsyncInternal[TIOAdapter](Memory`1 buffer, CancellationToken cancellationToken) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Http.HttpConnection.InitialFillAsync(Boolean async) at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) --- End of inner exception stack trace --- --- End of inner exception stack trace --- at System.Net.Http.HttpClient.HandleFailure(Exception e, Boolean telemetryStarted, HttpResponseMessage response, CancellationTokenSource cts, CancellationToken cancellationToken, CancellationTokenSource pendingRequestsCts) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 29 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648439	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 05:21:44
#4648439	System.Threading.Tasks.TaskCanceledException The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. System.Threading.Tasks.TaskCanceledException: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. ---> System.TimeoutException: The operation was canceled. ---> System.Threading.Tasks.TaskCanceledException: The operation was canceled. ---> System.IO.IOException: Unable to read data from the transport connection: Operation canceled. ---> System.Net.Sockets.SocketException (125): Operation canceled --- End of inner exception stack trace --- at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken) at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource<System.Int32>.GetResult(Int16 token) at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Security.SslStream.ReadAsyncInternal[TIOAdapter](Memory`1 buffer, CancellationToken cancellationToken) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Http.HttpConnection.InitialFillAsync(Boolean async) at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) --- End of inner exception stack trace --- --- End of inner exception stack trace --- at System.Net.Http.HttpClient.HandleFailure(Exception e, Boolean telemetryStarted, HttpResponseMessage response, CancellationTokenSource cts, CancellationToken cancellationToken, CancellationTokenSource pendingRequestsCts) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 29 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648402	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 05:11:43
#4648402	System.Threading.Tasks.TaskCanceledException The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. System.Threading.Tasks.TaskCanceledException: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. ---> System.TimeoutException: The operation was canceled. ---> System.Threading.Tasks.TaskCanceledException: The operation was canceled. ---> System.IO.IOException: Unable to read data from the transport connection: Operation canceled. ---> System.Net.Sockets.SocketException (125): Operation canceled --- End of inner exception stack trace --- at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken) at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource<System.Int32>.GetResult(Int16 token) at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Security.SslStream.ReadAsyncInternal[TIOAdapter](Memory`1 buffer, CancellationToken cancellationToken) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Http.HttpConnection.InitialFillAsync(Boolean async) at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) --- End of inner exception stack trace --- --- End of inner exception stack trace --- at System.Net.Http.HttpClient.HandleFailure(Exception e, Boolean telemetryStarted, HttpResponseMessage response, CancellationTokenSource cts, CancellationToken cancellationToken, CancellationTokenSource pendingRequestsCts) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 29 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648368	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 05:00:22
#4648368	System.Net.Http.HttpRequestException Response status code does not indicate success: 422 (Unprocessable Entity). System.Net.Http.HttpRequestException: Response status code does not indicate success: 422 (Unprocessable Entity). at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode() at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 30 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648365	UpdateCandidatesInterviewedTask.StartJobUpdateCandidatesInterviewed An exception occurred during performance of the job. More details...	04/11/2026 05:00:19
#4648365	System.Exception Error in UpdateCandidatesInterviewedTask System.Exception: Error in UpdateCandidatesInterviewedTask ---> System.Net.Http.HttpRequestException: Response status code does not indicate success: 422 (Unprocessable Entity). at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode() at MR.Schedules.UpdateCandidatesInterviewedTask.StartJobUpdateCandidatesInterviewed() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/UpdateCandidatesInterviewedTask.cs:line 33 --- End of inner exception stack trace --- at MR.Schedules.UpdateCandidatesInterviewedTask.StartJobUpdateCandidatesInterviewed() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/UpdateCandidatesInterviewedTask.cs:line 38 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648330	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 04:50:19
#4648330	System.Net.Http.HttpRequestException Response status code does not indicate success: 422 (Unprocessable Entity). System.Net.Http.HttpRequestException: Response status code does not indicate success: 422 (Unprocessable Entity). at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode() at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 30 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648295	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 04:40:33
#4648295	System.Net.Http.HttpRequestException Response status code does not indicate success: 422 (Unprocessable Entity). System.Net.Http.HttpRequestException: Response status code does not indicate success: 422 (Unprocessable Entity). at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode() at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 30 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648262	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 04:31:53
#4648262	System.Threading.Tasks.TaskCanceledException The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. System.Threading.Tasks.TaskCanceledException: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. ---> System.TimeoutException: The operation was canceled. ---> System.Threading.Tasks.TaskCanceledException: The operation was canceled. ---> System.IO.IOException: Unable to read data from the transport connection: Operation canceled. ---> System.Net.Sockets.SocketException (125): Operation canceled --- End of inner exception stack trace --- at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken) at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource<System.Int32>.GetResult(Int16 token) at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Security.SslStream.ReadAsyncInternal[TIOAdapter](Memory`1 buffer, CancellationToken cancellationToken) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Http.HttpConnection.InitialFillAsync(Boolean async) at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) --- End of inner exception stack trace --- --- End of inner exception stack trace --- at System.Net.Http.HttpClient.HandleFailure(Exception e, Boolean telemetryStarted, HttpResponseMessage response, CancellationTokenSource cts, CancellationToken cancellationToken, CancellationTokenSource pendingRequestsCts) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 29 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
#4648225	AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob An exception occurred during performance of the job. More details...	04/11/2026 04:21:51
#4648225	System.Threading.Tasks.TaskCanceledException The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. System.Threading.Tasks.TaskCanceledException: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing. ---> System.TimeoutException: The operation was canceled. ---> System.Threading.Tasks.TaskCanceledException: The operation was canceled. ---> System.IO.IOException: Unable to read data from the transport connection: Operation canceled. ---> System.Net.Sockets.SocketException (125): Operation canceled --- End of inner exception stack trace --- at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken) at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource<System.Int32>.GetResult(Int16 token) at System.Net.Security.SslStream.EnsureFullTlsFrameAsync[TIOAdapter](CancellationToken cancellationToken, Int32 estimatedSize) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Security.SslStream.ReadAsyncInternal[TIOAdapter](Memory`1 buffer, CancellationToken cancellationToken) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token) at System.Net.Http.HttpConnection.InitialFillAsync(Boolean async) at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) --- End of inner exception stack trace --- --- End of inner exception stack trace --- at System.Net.Http.HttpClient.HandleFailure(Exception e, Boolean telemetryStarted, HttpResponseMessage response, CancellationTokenSource cts, CancellationToken cancellationToken, CancellationTokenSource pendingRequestsCts) at System.Net.Http.HttpClient.<SendAsync>g__Core\|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) at MR.Schedules.AssignmentsApplyTenureRateDropOffTask.AssignmentsApplyTenureRateDropOffJob() in /home/azureuser/sn1/src/BackEnd/MR.Schedules/Tasks/AssignmentsApplyTenureRateDropOffTask.cs:line 29 at InvokeStub_TaskAwaiter.GetResult(Object, Object, IntPtr*) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

System.Net.Http.HttpRequestException

System.Threading.Tasks.TaskCanceledException

System.Threading.Tasks.TaskCanceledException

System.Threading.Tasks.TaskCanceledException

System.Net.Http.HttpRequestException

System.Exception

System.Net.Http.HttpRequestException

System.Net.Http.HttpRequestException

System.Threading.Tasks.TaskCanceledException

System.Threading.Tasks.TaskCanceledException