Job stopped with an unexpected exit code: 0x000000FF

I’m getting this error while running my first workflow, which is copying csv file to excel.
Executor stopped and then it throws this error

20.4.1-beta.22
Message: Job stopped with an unexpected exit code: 0x000000FF
Exception Type: System.Exception
RemoteException wrapping System.Exception: Job stopped with an unexpected exit code: 0x000000FF

I am using Excel 2007 with excel.activities version 2.8.5.

Can someone please help me.