Can't safe categories. You can create and delete categories, aswell as move articles into them. If you try to change anything in the category it won't safe. A red exclamation symbol is displayed at the bottom left corner.
This was working without issue just this afternoon (CET) but not anymore.
Change any field in an existing category or try to change private/public setting.
Categories
Second this.
I have a Master subscription, and can't think of anything in particular that I was doing when the issue occurred. I tried removing global CSS variables in case that was the problem, but this did not help. Article editing still saves fine, but I get a red triangle error when trying to make changes to categories.