Lightbox in quickstack image elements doesn't work

Did anyone experience this issue?
I have CMS images within lightbox elements within quickstack grids but the images are not clickable as you expect for a lightbox image element. Or am I missing something? Please let me know. Thank you.

https://preview.webflow.com/preview/dermpathexplorer?utm_medium=preview_link&utm_source=designer&utm_content=dermpathexplorer&preview=294feb46c42820c36edf2524e882b34e&pageId=65e219db929a2467b8193252&itemId=65e219db929a2467b819383e&workflow=preview