Diagnosis
Only one application that posts required goods movements fromconfirmations can be active at any one time. This includes thereports CORUPROC, CORUAFWP, and CORUAFW0 (either planned as job orexecute manually), or transaction CO1P (executed manually).
At the start of the program, a global lock isset for all correct entries in table AFFW as well as a global processlock for goods issue and goods receipt.

System Response
If such a lock is already active, the system terminates the job or theapplication immediately.

Procedure
Start the job or the application again at a later point in time.