kusanagi init で　Failed to get unit file state for mariadb.service:

Then, Please tell me your Database system.
1) MariaDB(Default)
2) PostgreSQL

Which you using?(1):1

You choose: MariaDB
Failed to get unit file state for mariadb.service: No such file or directory
Failed to execute operation: No such file or directory
mysql.service is not a native service, redirecting to /sbin/chkconfig.
Executing /sbin/chkconfig mysql –level=5
Failed to restart mariadb.service: Unit not found.
Restarted the MariaDB.