SAP Message 00055 - Fill in all required entry fields

Diagnosis
You have attempted to update data or start an action. However, not allrequired information was specified.

System Response
The system could not execute the action.

Procedure
Enter all required information. Fields in which you must enter data areprefilled with a checkmark or question mark ("?") by the system. If thecurrent screen contains tabs, check all tabs to make sure you havefilled in all required fields. Then restart the action.

547782ME11: Error message 00055
82666Batch input for purchase requisitions: EBAN-PREIS
393183Creating AFS BOMS with change number via IDoc
213709Planned order from APO -> manufacturing order in R/3
63285FBD1/FBV1: Fields are lost