Connection Error

MySQL Error  : Connection Error
Error Number : 2002 php_network_getaddresses: getaddrinfo failed: Name or service not known
Requested URI: http://family.themajdans.com/ourguestbook.php
Date         : Wed, November 13, 2019 10:40:15
IP           : 3.80.6.254
Browser      : CCBot/2.0 (https://commoncrawl.org/faq/)
Referer      : 
PHP Version  : 5.6.40
OS           : Linux
Server       : LiteSpeed
Server Name  : family.themajdans.com