MediaWiki 1.7.1 Installation

Warning: require_once(../maintenance/updaters.inc): failed to open stream: No such file or directory in /var/www/sda/5/5/wikiterms/config/index.php on line 206

Fatal error: require_once(): Failed opening required '../maintenance/updaters.inc' (include_path='/var/www/sda/5/5/wikiterms/include:.:/usr/php5.6.34/lib/php') in /var/www/sda/5/5/wikiterms/config/index.php on line 206