Selecting a plan results in javascript reload loop.

Hi

Please go to https://www.simbunch.com/shop/parainvite, then click on either of the Subscribe Now buttons. It will bring you to the checkout page, and you will notice it keeps reloading after the page is displayed (ie it's a javascript refresh). Users are not able to proceed.

Interesting note: if you remove the ?tmpl=component from the URL, this looping problem does not occur.