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, June 20, 2018 01:26:07
IP           : 54.80.198.173
Browser      : CCBot/2.0 (http://commoncrawl.org/faq/)
Referer      : 
PHP Version  : 5.6.36
OS           : Linux
Server       : LiteSpeed
Server Name  : family.themajdans.com