Warning: require_once(includes/config.php): Failed to open stream: No such file or directory in /var/www/html/ping-test.php on line 6

Fatal error: Uncaught Error: Failed opening required 'includes/config.php' (include_path='.:/usr/local/lib/php') in /var/www/html/ping-test.php:6 Stack trace: #0 {main} thrown in /var/www/html/ping-test.php on line 6