$wgReadOnly = 'Backing up database. Access will be restored shortly.';?>
Warning: Cannot modify header information - headers already sent by (output started at /var/www/vhosts/h1753510.stratoserver.net/httpdocs/wiki/LocalSettings.php:2) in /var/www/vhosts/h1753510.stratoserver.net/httpdocs/wiki/includes/Exception.php on line 184
Try waiting a few minutes and reloading.
(Can't contact the database server: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) (localhost))