Error! Mariadb is not running

Please fill in any relevant information that applies to you:

• CentOS Version: CentOS 7 64bit
• Centmin Mod Version Installed: 123.09beta01
• Nginx Version Installed: 1.15.9
• PHP Version Installed: 7.3.3
• MariaDB MySQL Version Installed: i.e. 10.1.38
• When was last time updated Centmin Mod code base ? N.A.
• Persistent Config: no

My website is down suddenly.
when I run "service mysql status", it shows "ERROR! Mariadb is not running"
However when I run "systemctl status mariadb", it shows no problem
See attached.
Pls help. THANK YOU VERY MUCH!

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Thanks. but do not know why, my website is suddenly down.
Also very strange, can not find centmin.sh as well.
I tried find / -name centmin.sh, no result
Under folder /usr/local/src/centminmod, only got "addons", no other file