I got this too. It's reproduceable for me if I click on any of the nodes before the page is ready for it, and once this happens I can't use it at all. But if I

I got this too. It's reproduceable for me if I click on any of the nodes before the page is ready for it, and once this happens I can't use it at all. But if I wait a second or two before doing this it works fine. Using latest chrome.