Exception reçue

Bdd::Error SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) N° : 2002

/var/www/vhosts/oh-mygarden.com/httpdocs/config.php @ line 19DB::factory()
Parameters : Array
(
    [0] => orm
)
/var/www/vhosts/oh-mygarden.com/httpdocs/index.php @ line 24Function : include_once()
Parameters : Array
(
    [0] => /var/www/vhosts/oh-mygarden.com/httpdocs/config.php
)