Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in /var/www/wemdcd2019.ntua.gr/payments/Connections/connNtua.php:9 Stack trace: #0 /var/www/wemdcd2019.ntua.gr/payments/order.php(1): require_once() #1 {main} thrown in /var/www/wemdcd2019.ntua.gr/payments/Connections/connNtua.php on line 9