The error snapshot doesnt give much details of the issue.
Could you please trace the syslog and look for any error statements in the syslog and share it.
You may want to:
 Check if flexlm license is available (quantity) and license server is up and running
 Check if volume directory is already available
 Check tccs services are up
NX 12 | SW 2017 | Creo 4 | TcUA 11.4