SAP Message >B505 - Document &1 cannot be reversed due to clarification posting &2

Diagnosis
Document &V1& is contained in returns lot &V3&. This has already beenposted. The clarification document &V2& was posted to this document asas a subsequent action in order to credit the returns clearing account.

System Response
The reversal was not executed.

Procedure
If the wrong contract account was debited in the clarification of thereturn, post the amount to the correct contract account to transfer theitem using the transaction Transfer Items.