Archive Not Loading

I’ve created a custom taxonomy under courses. it does not load the courses and keeps showing a broken loading screen.
I also tried to create an archive page using elementor but it only shows one post per page.

I would really appreciate some help to solve this issue.
URL: https://edkosmos.com/ek_colleges/aol-toronto-campus/

Thanks.

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