Mysql failed to start :LSB start and start mariadb

hi everyione im trying to install request tracker on centos 7 with mysql but im not able to start the service i got an error.
im new with cenOS please does anyone have an idea??
when i type the command
systemctl status mysql.service
i get this

What happens if you run systemctl start mysql.service manually?

i have this

You can run journalctl -xe for details on the error