Diagnosis
During backorder processing, the ATP situation was changed due to acompeting availability check. This change has not yet been taken intoaccount in the current completion process in backorder processing. Thisonly takes place after the changes have been adopted.

System Response
The system refers you to an overconfirmation, and resets the lastchange.

Procedure
Reduce the confirmed quantity, taking account of the overconfirmedquantity, or remove the change completely. After copying the improvedchange, the competing requirement is also displayed.