Clicking a post in a carousel takes me to lightbox rather than the post

On one page I have two different carousels showing different posts. When creating it, I just duplicated one and used new tags to filter which posts to show.
One shows just one post, the other has three.
When I click the one - it takes me to the full post.
But when I click one of the three - it just opens a lightbox with the featured image. I want these to go to the full post as well.
I think all the other settings are the same - why does one a lightbox, and the other doesn’t?

This is the page: