Diagnosis
You have changed data in a customer field in the BOM header. However,this data is read-only and cannot be changed.

System Response
The system does not accept your entries. The entries you made in theBOM header have no effect.

Procedure
Consult your SAP consultant.

Procedure for System Administration
In the customer exit, ensure that the fields in the BOM header, inwhich data can only be displayed and not changed, are not ready forinput.