SAP Message V4162 - The billing document was not created correctly for external document &1

Diagnosis The system either did not create a billing document for externaldocument &V1&, or created more than one. System Response The system terminates processing of the intermediate document (IDoc). Procedure Billing documents may have already been created before the systemterminated the IDoc. Notes on errors which occurred in self-billingdocument &V1& are listed in collective run &V2& (choose Billing -Billing document - Logs).