Error

SQLSTATE[HY000] [2002] No route to host

PDOException: SQLSTATE[HY000] [2002] No route to host (~/admin/_includes/_functions/database.class.php:32) at PDO->__construct() (~/admin/_includes/_functions/database.class.php:32) at Daveismyname\PdoWrapper\Database::get() (~/admin/_includes/_config/database.php:7) at require_once("~/admin/_includes/_config/database.php") (~/_includes/config.php:12) at require_once("~/_includes/config.php") (~/index.php:2)