Message SAP WRF_PCM080 - No updating for catalog &, item & because of redundant occurrence

Diagnosis
At least two items exist with the same catalog number andEAN.

System Response
It is not possible to tell from the redundant items which item shouldbe updated.
The system does not update the corresponding item data.

Procedure
Check the relevant items of the specified catalog and reschedule onlythe item that is to be included in the update process.