Material availability check in production order
When we check material availability during production order creation system checks and if the requirement is not fullfilled by the existing receipts then it gives missing part list. Here when I cheked the missing parts overview I get two fields one is confirmed qty and another is ATP qty. ATP qty I understand is nothing but the overall receipt qty and stock on the material reqmt day. Correct me if I am wrong.
I am using standatd 02-PP scope of check.
But what is Confirmed qty and on what basis system is calculation this figure? Everytime I change my reqmt and checks avaialibilty it gives a new confirmed qty.
Can anyone explain about this?