SAP Message BA424 - Archive files for replaced run &1 cannot be deleted

Diagnosis
The automatic deletion of replaced archive files for file conversion hasbeen activated in Customizing or the deletion of replaced files has beenscheduled manually. Either the system could not check one of the archivefiles belonging to the new session created from the replaced session orit could not delete at least one of the files belonging to the replacedarchiving session.
The previous messages may contain information about the cause of theerror.

System Response
The archive files are not deleted.