Containers not working across admin computers

Hello All,

I built a website using the Twenty Twenty Five theme. I am an admin and everything looks good on my end, but other admins are running into a container issue. When they go into the editor on their end (from their computer), all the filled containers (on my side) show up as empty containers, asking what layout they want, on theirs. I have updated everything.

Confirmed so far: all plugins updated, same dropdown menu when mouse is hovering on “appearance” (themes, editor, customize, fonts, starter templates), their cache and cookies have been cleared, they’ve confirmed the issue across various devices and browsers, I had him sign in under my account from his device and the containers were suddenly filled correctly, but not when he switched back to his again. Activated plugins are the same for both of us:

Akismet Anti-spam: spam protection, all in one seo, ewww image optimizer, media library downloader, orbit fox companion, spectra, starter templates, the events calendar, themehawk customizer, translatepress – multilingual, updraftplus – backup/restore, wp super cache, wpforms lite (to be fair, I didn’t download orbit fox, themehawk, spectra, and some others, and not sure if they’re even being used)

Any ideas on what to try next?

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