Diagnosis
When the system tries to read or change the lock table, a communicationproblem occurs between the application server and the lock serveror a problem occurs during the processing of data on the lock server.

System Response
The system terminates this transaction since this transaction cannotbe completed correctly.

Procedure
For interactive processing, this means that the relevant item is nolonger confirmed. Please restart the availability check.
In a background job (e.g. during rescheduling), the processing of thedocument is completed without changing the document.
If you receive this message very often, contact your systemadministrator.