Works fine here, try to disable any addons you might have on your browser.
or try to restart your computer or clear any cookies or your cache.
Make sure to file a report as well as posting, with as much detail as possible. Save games are always nice to have if they can be shared and added to post with the exact path to where it goes and how to duplicate it upon loading the save.
Could be tied to autosave timer, if you can turn autosave off then do, also disable cloud saving, could be that to.
It was windows 10 ransomware locking the folders I think. I am going to check when I get home.