SAP Message >0396 - Document &1 created from billing engine; reversal not possible here

Diagnosis
The document was created by theBilling Engine. Suchdocuments cannot be directly reversed. Instead, create a credit memofor the same amount in billing. You can then clear this with theoriginal document, or reverse the document using the Billing Engine
.

System Response
Error message

Procedure
Create a credit memo for document &V1& or reverse the document via theBilling Engine.