Warning: require_once(../mt-app/config.php): failed to open stream: No such file or directory in /var/www/html/product/index.php on line 5

Fatal error: require_once(): Failed opening required '../mt-app/config.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/html/product/index.php on line 5