Diagnosis
You have selected a posting period for which the system has alreadyarchived RMA period-end closing runs in the selected company code.

System Response
The system does not allow a repeated RMA period-end closing.

Procedure
Make sure that the system has not yet carried out archiving for theposting period.
Increase the residence time of thedocuments for the company code.
Start the RMA Workbench again.