Front end log in problem

When I try log in FE a message appears :
-opennebula is not running or there was a server exception. please check the server logs.:sweat::sweat:

After execute of the instruction : systemctl start opennebula 'result :
Job for opennebula.service failed because the control process exited with error code. See “systemctl status opennebula.service” and “journalctl -xe” for details.

I tried most of the solutions on the internet, but nothing has changed, please can u hemp me!!


Try to look for clues in /var/log/one/oned.log

hi , idon’t have this file !!

I mean file : oned.log