SAP Message CACSELT028 - Only customer fields may be changed in method &1 of BAdI &2

Diagnosis
Method &v1& of BAdI &v2& changes data in a forbidden way. The followingdata changes are not permitted for this method:

  • Changing non-customer fields

  • Appending data records to transferred tables or deleting data records
  • from tables

    System Response
    The remuneration document is incorrect and is not posted.

    Procedure
    Check the method and use the correct one.