Message Number list used by SAP ABAP Function Module BKK_PAYM_ITEM_PREPARE_MODIFY (Prepares Payment Item Change)
SAP ABAP Function Module BKK_PAYM_ITEM_PREPARE_MODIFY (Prepares Payment Item Change) is using
# Object Type Object Name Object Description Note
     
1 Message Number  1P - 503 Payment item &1 &2 &3 already flagged for posting