Solution : https://service.sap.com/sap/support/notes/539643 (SAP Service marketplace login required)
Key words :
attached source code corrections, sales order items, connected oltp system, backorder processing run, material staging date, transport planning date, goods issue date, request schedule line, schedule line incorrectly, schedule line
Related Notes :
543687 | Incorrect scheduling data for main items |
535213 | No update in OLTP sales document |
375193 | Backorder processing: Composite SAP note on posting |