SAP Message CACSMD283 - External partner number &1 for contract &2 not processed when changed

Diagnosis You specified the external partner number for changing thecommission contract using external data transfer. ( EDT). This number is required for creating a commission , notfor changing one. To make changes, you need the commission contractnumber, not the external partner number. . System Response The entry record is processed. Procedure Assign the NODATA indicator to BPEXT in the entry file. Procedure for System Administration Determine the NODATA indicator for EDT.