Solution : https://service.sap.com/sap/support/notes/403524 (SAP Service marketplace login required)
Key words :
&what_to_do&delete purchase order &v1& item &v2&, additional key words va02, enter message class v1, goto -> documentation -> long text, purchase order item &v2&, purchase order item&v2&, individual purchase order items, sales order item successfully, current sales order item, individual purchase order item
Related Notes :
| 392945 | Error message V1544 when rejecting an order |
| 356895 | Rejection of third-party items and individual PO items |
| 97272 | Rejections of individual order items possible |