404 Not Found

nginx
Warning: Use of undefined constant DIR - assumed 'DIR' (this will throw an Error in a future version of PHP) in /home/amjentllc/www/index.php on line 29

Warning: require_once(DIR/wp-includes/load.php): failed to open stream: No such file or directory in /home/amjentllc/www/wp-load.php on line 49

Fatal error: require_once(): Failed opening required 'DIR/wp-includes/load.php' (include_path='.:/opt/remi/php73/root/usr/share/pear:/opt/remi/php73/root/usr/share/php:/usr/share/pear:/usr/share/php') in /home/amjentllc/www/wp-load.php on line 49