Solution : https://service.sap.com/sap/support/notes/579134 (SAP Service marketplace login required)
Key words : 
interactive backorder processing, backorder processing, file entries, planning objects, inadvertently deleted, simulation mode, filter worklist, /sapapo/bop_worklist, terms pegid, netch_bop reason
Related Notes : 
       
| 573021 | |
| 537649 |