Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /var/www/html/protect.php on line 30

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /var/www/html/protect.php on line 30

Can't access SQL server

Can't access SQL server