SAP Message >2571 - There is a discrepancy between payment amount &1 and returns amount &2

Diagnosis
The Amount contains charges field is not activated for thereturns lot edited. The program therefore assumes that the amountentered is the same as the amount in the payment document.
This is not the case however, since the payment document amount is &V1&V3, and the amount entered v2 v3.

System Response
The system does not post this item.

Procedure
Check the details in the returns item and make any corrections asnecessary.