Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo for lbcontents.cmy7whafp3m9.ap-northeast-2.rds.amazonaws.com failed: Name or service not known in /home/httpd1/html/common_php/lb/db.php on line 43

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for lbcontents.cmy7whafp3m9.ap-northeast-2.rds.amazonaws.com failed: Name or service not known in /home/httpd1/html/common_php/lb/db.php:43 Stack trace: #0 /home/httpd1/html/common_php/lb/db.php(43): mysqli->__construct() #1 /home/httpd1/html/PROJECT/SEVENSTAR4/action.php(91): db->__construct() #2 /home/httpd1/html/dns_classification.php(132): include_once('...') #3 /home/httpd1/html/index.php(39): include_once('...') #4 {main} thrown in /home/httpd1/html/common_php/lb/db.php on line 43