Oracle Message ORA-06706 - TLI Driver: service not found

ERRORTLI Driver: service not found
CAUSETLI could not find service information for the specified service name.
ACTIONIf you specified the service name on the command line or with the environment variable TLI_SERVER, make sure you specified it correctly. If the service name is not in the SERVICES file for your protocol, ask your system adminstrator to add it.