One-Page Checkout [Support Thread]

[GoofyGrrl2]

Make sure that you have the updated versions of these three files (all present in /includes/modules/pages/checkout_one):
- jscript_main.php
- jquery.checkout_one.js
- jquery.checkout_one.min.js

That's where that javascript variable (DisplayShippingBlock) is set and ultimately used.

I just re-added those files and it still gives me the same message trying to go to the 3 step checkout.
and here is what the console f12 errors said