Warning: main(../sub.php): failed to open stream: No such file or directory in /usr/local/etc/httpd/htdocs/hotel/user/prepend.php on line 2

Fatal error: main(): Failed opening required '../sub.php' (include_path='.:/usr/local/lib/php') in /usr/local/etc/httpd/htdocs/hotel/user/prepend.php on line 2