Hey Luke,
Thanks for reaching out.
The “add to cart” functionality on that page is not anything provided by our plugins. It seems to be provided by your theme. Our plugins, by default, do not provide any sort of “purchase” functionality directly from the list view or other many-event views.
Our plugins, thus far, only provide such features on the single events views.
So, since your theme is providing that “add to cart” functionality on the list view, to suss out the nature of this problem—and hopefully a solution—your best bet is to reach out to your theme support for assistance.
Please let me know if there is anything else I can try to help with.
Sincerely,
George