Solution : https://service.sap.com/sap/support/notes/1382965 (SAP Service marketplace login required)
Key words :
po account assignment remains unchanged, prerequisites program error solution, attached code correction instructions, account assignment information, purchase order, form srv_data_set, terms bapi_po_change, bapi_po_change, process_non_integrated_comp, bapi_acc_tab
Related Notes :
| 1457285 | FAQ: Accounting PO Transfer, FI/MM Validation Errors |