SAP Message >0527 - Return only allowed for &1 if clarification document &2 is reversed

Diagnosis
The payment document &V1& was posted to the clarification account. Theassociate clarification document &V2& must be reversed for a return onthe payment document. As long as this reversal does not take place, thereturn cannot be posted.

System Response
Error message

Procedure
Now reverse the document &V2& and then post the return.