Error Message :
The UC/UC Admin User can only edit Users in Client 0.
If you change to a different client, UC/UC has no permissions to the user objects.
Root Cause: A client zero Admin user is not able to modify users from other clients except client zero.
Update to a fix version listed below or a newer build version, if available.
Fix Status: Released
Component: AE Server
Automation Engine 12.1.0 - Available
Automation Engine 12.0.1 - Available
Create an Admin user for every Client to modify the User objects.