Solution : https://service.sap.com/sap/support/notes/1472036 (SAP Service marketplace login required)
Key words :
backend account related error message, backend related error message, assign account assignment information, assign account assignment, account assignment exists, backend check customizing, prerequisites program error, extended classic po, po process screen, error message
Related Notes :
| 1459479 | Account Assignment distribution by value for service items |