Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo for sdb-76.hosting.stackcp.net failed: Name or service not known in /var/www/html/includes/config.php on line 13

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for sdb-76.hosting.stackcp.net failed: Name or service not known in /var/www/html/includes/config.php:13 Stack trace: #0 /var/www/html/includes/config.php(13): mysqli->__construct() #1 /var/www/html/includes/config.php(24): getDBConnection() #2 /var/www/html/app/index.php(7): require_once('...') #3 {main} thrown in /var/www/html/includes/config.php on line 13