Solution : https://service.sap.com/sap/support/notes/447723 (SAP Service marketplace login required)
Key words :
reference type /sapapo/dm_sl_req, enter /sapapo/dm_atp_update_qtvb, dp time series, call transaction se37, source code correction, product allocation assignment, product allocation, availability check, simultaneously connect, planning area
Related Notes :
513395 | Allocations: Assignment for preceding document is deleted |
487914 | Allocations: Product allocation assignment is not updated |
454201 | Product allocat.: Occupancy for preceding doc. is deleted |
371832 | APO field catalog update w/o relevant change in R/3 |