Пожалуйста, помогите мне разрешить это исключение
Microsoft.Azure.SignalR.ServiceConnection|ERROR|Error receiving handshake response. System.OperationCanceledException: The operation was canceled.
at System.Threading.CancellationToken.ThrowOperationCanceledException()
at System.IO.Pipelines.Pipe.GetReadResult(ReadResult& result)
at System.IO.Pipelines.Pipe.GetReadAsyncResult()
at System.IO.Pipelines.Pipe.DefaultPipeReader.GetResult(Int16 token)
at Microsoft.Azure.SignalR.ServiceConnectionBase.ReceiveHandshakeResponseAsync(PipeReader input, CancellationToken token)
at Microsoft.Azure.SignalR.ServiceConnectionBase.HandshakeAsync()