Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /data/web/yabo/www/inc/kang_mysql.inc on line 11

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /data/web/yabo/www/inc/kang_mysql.inc on line 11
Unable to connect to r database server!