Solution : https://service.sap.com/sap/support/notes/1419610 (SAP Service marketplace login required)
Key words :
result 'a' reason, attached program corrections, delivered product selection, product selection, program error, order item, partial quantity, transaction va02, confirmed quantity, confirmed completely
Related Notes :
412789 | Restrictions for product selection |
189889 | New schedule line with delivered product selection |