Warning: Use of undefined constant APP_ROOT - assumed 'APP_ROOT' (this will throw an Error in a future version of PHP) in /var/www/html/doc_root/routes.php on line 25

Warning: require_once(APP_ROOT/yamitomo_auto_loader/Loader.php): failed to open stream: No such file or directory in /var/www/html/doc_root/routes.php on line 25

Fatal error: require_once(): Failed opening required 'APP_ROOT/yamitomo_auto_loader/Loader.php' (include_path='.:/usr/local/lib/php') in /var/www/html/doc_root/routes.php on line 25