Diagnosis
If, in the payment run, the contract account and not the businesspartner is specified as the parallelization object, consideration ofpayment specifications is not possible.
This means that items that were assigned to a payment specification willnot be paid.

System Response
You can use the parallelization object contract account. However, sincethis changes the way the payment program works, the user is informed.

Procedure
If you want to consider payment specifications, select the businesspartner as parallelization object.