SyntaxError: expected expression, got ‘<' on checkout page

Hi,
I use PMPro together with MasterStudy.
I have been dealing with an issue on the checkout page where the Discount button is not working.
It seems to stem from this part.
See the following screenshot: https://ibb.co/6t4qchr
Page: https://swingdancehome.com/en/membership-account-2/membership-payment/?level=3

See this thread on stackoverflow where somebody actually commented on this from your company: https://stackoverflow.com/questions/20210093/stop-safari-on-ios7-prompting-to-save-card-data

• This topic was modified 1 month ago by boxhamster.

The page I need help with: [log in to see the link]