Solution : https://service.sap.com/sap/support/notes/50780 (SAP Service marketplace login required)
Key words :
maintain account assignment block, defined customer-specific fields, assigned purchase order item, account assignment block, customer-specific fields, additional key words, prerequisites program error, purchase order, financial accounting, pre-entering
Related Notes :
| 50646 | MR44/MR08: Customer-specific acct assignment fields |