Unable to change from Calendar view to Table view

Unable to change from Calendar view to Table view

Your Version: 14.9 Build 14960

Something has happened and I can't switch back from Calendar view to Table view
Nothing happens when I click the leftmost icon pictured above.
I've cleared my cache, I've reloaded, I've logged out. Nothing seems to help.
My main browser is Microsoft Edge (136.0.3240.92)  so  I also tried Firefox (139.0.1)
Same issue there. I updated Edge to (137.0.3296.62) but that didn't help either.
My colleague also tried and he has the same issue.

I'm unable to reproduce it on 14970 but I cannot upgrade to that version yet, especially since I can't plan the change due to not being able to access the Table View.

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