SAP Message 01251 - User &1 could not be deleted

Diagnosis
The user &SYST-MSGV1& could not be deleted because it is still linkedto organization management objects which could not be deleted. The useris not deleted in this case, to ensure the consistency of the data.
The most likely reason for this is a lock on an object linked to theuser, perhaps because it is being used. You could try to delete thelinks in organization management before you delete the user.
Users can be linked to positions, tasks, task groups, workflow patternsand workflow tasks, etc. in organization management. Transaction PPSTdisplays the objects linked to the user.

System Response
The user is not deleted.

Procedure
Delete the links in organization management. It may be enough to deleteagain later if a lock caused the error.