Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo for sql23.cpt1.host-h.net failed: Name or service not known in /usr/www/users/heldefksps/includes/framework.php on line 52

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for sql23.cpt1.host-h.net failed: Name or service not known in /usr/www/users/heldefksps/includes/framework.php:52
Stack trace:
#0 /usr/www/users/heldefksps/includes/framework.php(52): mysqli->__construct('sql23.cpt1.host...', 'heldefksps_1', Object(SensitiveParameterValue), 'heldefksps_db1')
#1 /usr/www/users/heldefksps/includes.php(20): require_once('/usr/www/users/...')
#2 /usr/www/users/heldefksps/index.php(2): require_once('/usr/www/users/...')
#3 {main}
  thrown in /usr/www/users/heldefksps/includes/framework.php on line 52