Message SAP WS379 - Duplicate entry in internal table &1

Diagnosis
An internal error occurred.

System Response
The system ignores this error are restores the status prior toarchiving.

Procedure
Contact your system administrator.

Procedure for System Administration
Please contact SAP. Duplicate entries exist in an archiving object.These are usually due to incorrect documents. If, for example, theheader of a settlement request list and a document in this refer to thesame document condition, the document condition is included in thearchiving object twice. Retrieval of data is not affected by this.
The error relates to table &V1& .