Hello, I seem to have everything configured properly and it's producing a form with what appears to be correct information. When I click on the the button I get a very unhelpful message that reads, "Things don't appear to be working at the moment. Please try again, later. I'm not sure what you need from me, please ask and I'll make sure you get it. Link to payment page: https://cp.xyonet.com/billing/payments/pay.php?id= Paypal email: <[email protected]> Paypal URL: https://www.sandbox.paypal.com/cgi-bin/webscr Paypal IPN: https://cp.xyonet.com/billing/payments/paypal/ipn.php Anyone have any ideas?