Diagnosis
The "Amount contains charges" field is not activated for the returnslot edited. The program therefore assumes that the amount entered isthe 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 attributes of the returns line were changed so that for this item,the amount is viewed as a gross amount (i.e. including charges) andautomatic calculation of charges is disabled.

Procedure
Recheck the details in the document, make any necessary corrections,and then repost the document.