Quote Originally Posted by GerriM View Post

I've taken screen shots of the Firefox F12 display both:



And for completeness, here's the debug files generated with these: myDEBUG-1511039161-718885.zip myDEBUG-one_page_checkout-10.zip
Since I'm unsure whether the F12 report provided above is taken pointing to the time the error occurs, here's the Firefox F12 reports in sequence:
1. Here's a snapshot of the Shopping Cart (Shopping Cart screen.zip) and the F12 report that matches this (F12 Shopping Cart.zip
2. Then I click the CHECKOUT button
3. These error logs are generated (logs.zip) and I am moved to the next screen with this F12 report (F12 at Error Logs.zip.

Hope I got it right for you.

Cheers...Gerri