Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/h4u/public_html/login/config.php on line 17

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/h4u/public_html/login/config.php on line 17
MySQL can not connect, please check your settings in config.php