Solution : https://service.sap.com/sap/support/notes/563187 (SAP Service marketplace login required)
Key words :
eog/mop badi /sapapo/eog_addin1 atp ctp check, 'delete unfirmed receipts' reuse mode, ctp active single requirement combination, atp ctp check simultaneously, extended order generation reason, single requirement combination function, single requirement combination, -order production sections, multiple output planning, planning heuristic