Solution : https://service.sap.com/sap/support/notes/393359 (SAP Service marketplace login required)
Key words :
attached source code corrections, additional key words uecha, batch main item numbers, select batch subitems, batch main item, billing document print, 'item selection' pushbutton, batch item, item selection, batch split
Related Notes :
| 971943 | Item selection for batches (UECHA field) |
| 213614 | Billing document with item selection (delivery-related) |
| 186062 |