Runtime Exception when testing forecasting ML

I was running a foecasting ML on a small csv file with only 5 columns and set the training time to 1200 seconds and this kept happening ...

<d__167.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at StreamJsonRpc.JsonRpc.d__156`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.ML.ModelBuilder.ViewModels.TrainViewModel.<b__90_0>d.MoveNext() in /_/src/Microsoft.ML.ModelBuilder/ViewModels/TrainViewModel.cs:line 688>>

Hope you can figure it out.

Kam