2012980 - Product allocation check shifts the consumption for delivered sales order in report /sapapo/sdrqcr21

You have a fully delivered sales order where the ATP check was originally done e.g. in October. The material availability date was at the time of the ATP check in future e.g. in November and the confirmed date, too.
In customizing for the product allocation group you have defined the 'Check Date' as material availability date (MBDAT) and backwards consumption periods (field VINT1).
While the ATP check due to insufficient free allocation quantity in November, the consumption was shifted backwards to October according to the field VINT1.
You run a new product allocation check with report /sapapo/sdrqcr21 in November. The product allocation assignment will be shifted to November but you expect that the assignment remains in October as it was originally.

SAP SCM APO release independent

KBA , SCM-APO-INT-SLS , Sales , SCM-APO-ATP-BF-PAL , Check against Product Allocations , Problem