Solution : https://service.sap.com/sap/support/notes/418978 (SAP Service marketplace login required)
Key words :
prerequisites solution source code correction, additional key words transactions, product allocation group takes, product allocations, planning area, /sapapo/atpq_parea_r, /sapapo/atpq_parea_w, /sapapo/atpq_parea_k, /sapapo/atpq_parea_callocations, characteristics combinations
Related Notes :
498673 | Allocations: poor performance while transferring |
420606 | Collective SAP Note for GATP performance in APO 3.0A |
186624 | Allocations: low performance during transfer |