Message SAP XT125 - TMS user not completely configured in &1

Diagnosis
An error occurred in the TMS communications layer. User TMSADM does nothave the correct authorization in system &V1 for executing thisfunction.
System: &V2&
Function: &V3&
Error: &V4&

System Response
The function terminates.

Procedure
Log onto this system and check the existence and authorizations of thisuser.