Warning: require_once(x.php) [function.require-once]: failed to open stream: No such file or directory in /usr/home/byu5408390001/htdocs/index.php on line 12

Fatal error: require_once() [function.require]: Failed opening required 'x.php' (include_path='.:/var/www/php5/lib/php') in /usr/home/byu5408390001/htdocs/index.php on line 12