Solution : https://service.sap.com/sap/support/notes/748574 (SAP Service marketplace login required)
Key words :
issue error message me083, bapi_po_change function module, account assignment category, purchase order item, multiple account assignment, account assignment data, account assignment object, program error, poaccountx structure, terms purchaseorder
Related Notes :
| 1000184 | Account assignment error when document transfer to back end |
| 815849 | FAQ: Account assignment system response |
| 707921 | BAPI_PO_CHANGE: Acc. assgnmnt category change loses data |