Warning: require_once(./config/loader.php): failed to open stream: Permission denied in /var/www/clients/client1/web1/web/index.php on line 29

Fatal error: require_once(): Failed opening required './config/loader.php' (include_path='.:/usr/share/php:/usr/share/pear:/var/www/clients/client1/web1/web') in /var/www/clients/client1/web1/web/index.php on line 29