Solution : https://service.sap.com/sap/support/notes/384482 (SAP Service marketplace login required)
Key words :
additional key words trtyp, atp check works, incorrect results occur, product availability check, attached source code, incorrect transaction type, transaction type, program error, solution implement, production
Related Notes :
420606 | Collective SAP Note for GATP performance in APO 3.0A |