SAP Message VW348 - Service agent & can not be copied without address

Diagnosis
The number specified for the transportation service agent is a one-timevendor, that is, a one-time service agent for which there is no masterrecord.
Name and address for this service agent have not been specified.

System Response
The system does not accept the service agent.

Procedure
If you want to specify a service agent for which there is no masterrecord in the vendor master, you must enter the name and the address.