Solution : https://service.sap.com/sap/support/notes/109723 (SAP Service marketplace login required)
Key words :
additional key words assembly processing, attached advance corrections, confirmed schedule linetransaction, sales document item, assembly processing, sales document, possibly confirmed, finish date, incorrect network, program error
Related Notes :
493462 | Assembly collective order: Data copied from incorrect order |
87118 | Incorrect confirmation f. collective assembly order |