Solution : https://service.sap.com/sap/support/notes/533642 (SAP Service marketplace login required)
Key words : 
source code corrections, backorder processing, bop_netchange filter, planning objects, terms netch_bop, pegid solution, implement note 537649
Related Notes : 
       
| 537649 | |
| 531874 | BOP_NETCHANGE filter only selects production plants | 
| 375193 | Backorder processing: Composite SAP note on posting |