Hi,
When I provide an invalid credit card number (or some other invalid transaction info, causing the payment gateway to reject the transaction), and then I click the provided "back" button on the form, the module throws a critical error. The sequence is shown below:
Below is a partial screen-shot showing the message after invalid payment information is submitted. This is correct and expected:
Now, unfortunately, I click the "Back" button provided at the bottom of the form, and uh-oh:
Clicking the browser "back" button does not trigger this behavior.
Thanks for your help on this.