Message SAP RSM528 - Request & currently being edited (IDoc &)

Diagnosis
IDoc &V2& currently being edited for request &V1&.

System Response
As soon as the system has finished the editing of the IDoc, it will seta status record (call 70) for this IDoc.

Procedure
If the status record (call 70) was logged and an error displayed thenthe IDoc can be processed again manually.