Quote Originally Posted by lat9 View Post
@tmpinsnty, see post #265 in this support thread for instructions regarding how to check your browser's console log. If you could copy that information and paste it (using the "CODE" tags, the big # in the menu bar when you're writing your response), I can certainly help.
@tmpinsnty, Did you copy the file /includes/modules/pages/checkout_payment/jscript_payeezy.php to /includes/modules/pages/checkout_one?

I've just downloaded the payment module and it looks like that might be the missing bit.