Unable to change transition from dissolve
Hi, I want to change transition from dissolve, but it is not possible. It is like this: 

I found the answer here: https://community.adobe.com/t5/adobe-xd-discussions/unable-to-change-transition-from-dissolve/m-p/8974017#M2090 He said the blue line appears at "the fold" when the artboard is clicked. But I dont know what he means in my case? When I click Login Artboard, there is no blue line.
