Warning: require_once(/wordpress/wp-includes/class-wpdb.php): failed to open stream: No such file or directory in /wordpress/wp-includes/load.php on line 547

Fatal error: require_once(): Failed opening required '/wordpress/wp-includes/class-wpdb.php' (include_path='.:/:/usr/local/php74/lib/pear') in /wordpress/wp-includes/load.php on line 547