Warning: require(/opt/lampp/htdocs/wp-includes/cron.php): failed to open stream: No such file or directory in /opt/lampp/htdocs/wp-settings.php on line 190

Fatal error: require(): Failed opening required '/opt/lampp/htdocs/wp-includes/cron.php' (include_path='.:/opt/lampp/lib/php') in /opt/lampp/htdocs/wp-settings.php on line 190