Solution : https://service.sap.com/sap/support/notes/512628 (SAP Service marketplace login required)
Key words :
abap workbench -> ddic objects -> development -> dictionary, symptom backorder processing, multilevel atp check, related note 511129 solution, source code corrections, planned ordersduring, terms transaction, /sapapo/bopbop, overconfirmation reason, /sapapo/bopcmp
Related Notes :
516328 | BOP: MATP planned order not deleted by BOP update |
511129 | BOP not suggesting decommit for planned orders in MLATP |