Access to this server is not granted to user. Although authenticated, your are not granted access to this server. Please contact your administrator. in 2018x CAS login in 3DSPACE.

Hello, am getting below error, while login in 3DEXPERIENCE (3DSPACE) 2018X. Please note my tomcat is external, not embedded.
Error: Access to this server is not granted to user.
Although authenticated, your are not granted access to this server.
Please contact your administrator.

Any suggestion / help much appreciated !

Thank you !