Diagnosis
The screen is damaged or incomplete. Either there is no flow logic orthe field list is empty or the field list does not contains the commandfield as the last field.

System Response
If the error occurs when saving or generating, the function is notexecuted.
If the error occurs at the beginning of screen processing (change,other screen, display), the processing can continue but Screen Paintermay not function properly. Therefore, the system automatically providesthe missing command field. automatisch.

Procedure
If the error occurs when saving or generating, inform SAP as soon aspossible.
If the error occurs at the beginning of access to a screen, there isprobably a database problem.