SAP Message WU104 - A plant which no longer exists is assigned to vendor &

Diagnosis
A plant number must be assigned for every internal vendor (distributioncenter) and the appropriate master record created in the plant master.In this case, a plant number has been entered in the vendor masterrecord which does not exist in the plant master data.

System Response
The vendor cannot be used.

Procedure
Either create the plant master record or enter the correct plant numberin the vendor master record.