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4th Tab Shows only in preview, not on live site

I’ve been encountering a glitch and problems with getting four tabs to work. One of the pages i put a set of 4 tabs to show the information in 4 different ways. I’ve tried to re-make the tabs on multiple different web-pages and each time the same thing happens, all four tabs work in the preview mode, but once i export the site only three out of the four tabs are showing up. Every time i add any sort of text or content on the fourth tab one of the tabs stops working. Even if i delete the tab and copy and paste one of the working ones, only three tabs will work. Check out my current site:

It will work in the preview, but not in the live site. Does anyone know a solution to this bug?

Live Site Link:

Here is my public share link: []