3699925 - Issue with aATP functionality when processing multiple materials with different availability check groups in SAP S/4HANA

• A quotation contains 2 materials, ...
  
  • one with availability checking group Z1 and 
  • one with availability checking group KP
    
    
• Detected System Behavior: 
  
  • If, each item gets aATP checked by its own, the aATP functionality works as expected. -> ok
  • If both items will get captured and the aATP check will get executed for both materials at once, 
    the aATP check for the product with checking group KP shows an unexpected and wrong result: no quantity will be confirmed.  -> SYMPTOM

• SAP S/4HANA 2023 (S4CORE 108, SP01 - SP03)
• Advanced Available to Promise (aATP)
• Product Availability Check (ATP)

aATP, availability check group, SAP S/4HANA, Product Availability Check, multiple materials, inconsistent behavior, VA21, quotation processing, Z1, KP, no quantity confirmed, simultaneous processing, system behavior , KBA , CA-ATP-PAC , ATP: Product Availability Check , CA-ATP , Available to Promise (ATP) , Problem