when i run
root@plesk:~# journalctl -xe
i get this :
░░
░░ A start job for unit mysql.service has finished with a failure.
░░
░░ The job identifier is 106670 and the job result is failed.
Nov 27 14:59:57 plesk.stecher.tn systemd[1]: Started Plesk Web Socket Service.
░░ Subject: A start job for...