Solution : https://service.sap.com/sap/support/notes/373361 (SAP Service marketplace login required)
Key words :
bapi_po_change additional key words ekpo-afnam, field ekpo-afnam, sap ordering transaction, eban-afnam, transaction me59, transaction me21n, symptoms relating, transactions me21, purchase requisition, purchase order
Related Notes :
| 373190 | BAPI_PO_GETDETAIL: Not available functions |
| 351132 | ME21N copy purchase order: requisitioner/requester lost |