Solution : https://service.sap.com/sap/support/notes/1435989 (SAP Service marketplace login required)
Key words :
enter account assignment data, bapi interface parameter poaccount, account assignment data, multiple account assignment, single account assignment, account assignment lines, reference purchase order, bapi interface, purchase order, reference document
Related Notes :
1576897 | BAPI_PO_CHANGE-accounting fields can be changed after GR/IR |
1464524 | Error ME083 unexpected during PO transfer |
1463835 | Coexistance between O&G and PPS: Preliminary Notes |
1457285 | FAQ: Accounting PO Transfer, FI/MM Validation Errors |
1438316 | BAPI_PO_CHANGE - GR/IR indicators are not transferred |