Warning: require(../config/config.php) [function.require]: failed to open stream: No such file or directory in /var/www/sociol/eng/index.php on line 2

Fatal error: require() [function.require]: Failed opening required '../config/config.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/sociol/eng/index.php on line 2