Can’t Change Post Template, Add Tags or Pictures

Since the update, I am unable to do basic things in the post editor?

+ I can’t change post template, when I click on a template, WordPress just jumps to the top of the page?

+ When I try to add post tags nothing happens?

+ When I try to toggle between Visual and Text editor nothing happens?

+ When I try to try images it takes me to a full page screen where I can choose an image or upload, but there is no option to return to my blog post?!

I’ve updated all my pluggins, I’ve tried Safari and Google Chrome, updated my Mac. Can anyone help!

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

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