PayPal debug id: f95202622d65cI

[Futurex_inc]

Hello,

I just rendered the javascript paypal buy button with my sandbox and is rendered ok.

But when I click on it to buy, it opens the pop-up buy window and close it immediately then it throws PayPal debug id: f95202622d65c

I do not know what it means and how to debug.

I need help, thanks.