Unable to read email sometimes

Hi All, the bot unable to read my email. It reads some emails but some emails have a problem. I have compare the file. It is the same. Any one can assist?

Here the error message:

System.Activities.Statements.Throw.Execute(CodeActivityContext context)

at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)

at System.Activities.ActivityInstance.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

— End of stack trace from previous location where exception was thrown —

at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

at UiPath.Executor.BaseRunner.EndExecute(IAsyncResult result)

at UiPath.Executor.InProcessRunner.EndExecute(IAsyncResult result)

at UiPath.Core.Activities.InvokeWorkflowFile.EndExecute(AsyncCodeActivityContext context, IAsyncResult result)

at System.Activities.AsyncCodeActivity.System.Activities.IAsyncCodeActivity.FinishExecution(AsyncCodeActivityContext context, IAsyncResult result)

at System.Activities.AsyncCodeActivity.CompleteAsyncCodeActivityData.CompleteAsyncCodeActivityWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

— End of stack trace from previous location where exception was thrown —

at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

at UiPath.Executor.BaseRunner.EndExecute(IAsyncResult result)

at UiPath.Executor.InProcessRunner.EndExecute(IAsyncResult result)

at UiPath.Core.Activities.InvokeWorkflowFile.EndExecute(AsyncCodeActivityContext context, IAsyncResult result)

at System.Activities.AsyncCodeActivity.System.Activities.IAsyncCodeActivity.FinishExecution(AsyncCodeActivityContext context, IAsyncResult result)

at System.Activities.AsyncCodeActivity.CompleteAsyncCodeActivityData.CompleteAsyncCodeActivityWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

If the mail server is unavailable you will get such errors. Can you try to print the exception.Message and tell me what it shows