Warning: require_once(/home/gamachi/www/fromis9test/wp-admin/includes/class-wp-site-health.php): failed to open stream: No such file or directory in /home/gamachi/www/fromis9test/wp-settings.php on line 560

Fatal error: require_once(): Failed opening required '/home/gamachi/www/fromis9test/wp-admin/includes/class-wp-site-health.php' (include_path='.:/usr/local/php/7.4/lib/php') in /home/gamachi/www/fromis9test/wp-settings.php on line 560