Warning: mysqli::__construct(): (HY000/2002): Connection refused in /www/wwwroot/pdf.pangeaebook.com/preview.php on line 4

Fatal error: Uncaught Error: mysqli object is already closed in /www/wwwroot/pdf.pangeaebook.com/preview.php:5 Stack trace: #0 /www/wwwroot/pdf.pangeaebook.com/preview.php(5): mysqli->set_charset() #1 {main} thrown in /www/wwwroot/pdf.pangeaebook.com/preview.php on line 5