Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for db failed: Temporary failure in name resolution in /var/www/html/class/connector.inc on line 14

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo for db failed: Temporary failure in name resolution in /var/www/html/class/connector.inc on line 14
Adatbázis szerver elérési hiba.