Warning: mysqli_connect(): (HY000/2002): Connection refused in /srv/vhost/ieselcaminas.org/home/html/admin/includes/conn.php on line 23

Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /srv/vhost/ieselcaminas.org/home/html/admin/includes/conn.php on line 24
I cannot connect to the database because: