"Show cart" button not working for CoursePress and WooCommerce

CoursePress and WooCommerce are working well together right now when someone checks out in a regular manner. However, if a user adds the course to the cart and then goes back to the single course page without checking out, the "Show cart" button is not working.

Screen capture: https://cl.ly/0M3j2W2t1B2B

Could you take a look? I've granted support access to the site. Thank you!