SAP Message VL499 - Delivery not current; Synchronization not yet complete

Diagnosis
The delivery was changed remotely. The changes have not yet been adoptedin this system.

System Response
The delivery cannot currently be changed.

Procedure
Repeat the activity later. If this error message appears repeatedly,inform your system administrator.

Procedure for System Administration
The partner system sent an IDoc to this system but it has not beenprocessed successfully. Check the IDoc inbound processing for errors.