Hello Team
i am using one activity which is get exchange mail activity and i am getting the specific subject from there but sometime its runs and sometime i got the below error can you please help me and find the root cause of this issue please

and please see below
An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
System.AggregateException: One or more errors occurred. ----> UiPath.Mail.ExchangeException: Value cannot be null.
Parameter name: address ----> System.ArgumentNullException: Value cannot be null.
Parameter name: address
at System.Net.Mail.MailAddress…ctor(String address, String displayName, Encoding displayNameEncoding)
at System.Net.Mail.MailAddress…ctor(String address, String displayName)
at UiPath.Mail.ExhangeMail.CreateMailMessageFromEmailMessage(EmailMessage mimemessage, Boolean saveattchements)
— End of inner ExceptionDetail stack trace —
at UiPath.Mail.ExhangeMail.CreateMailMessageFromEmailMessage(EmailMessage mimemessage, Boolean saveattchements)
at UiPath.Mail.Exchange.Activities.GetExchangeMailMessages.GetMessages(ExchangeService service, String fromFolder, String sharedMailbox, Int32 count, CancellationToken cancellationToken)
— End of inner ExceptionDetail stack trace —
at UiPath.Mail.Exchange.Activities.ExchangeActivity`1.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)
i am waiting please