Blue Ice

I'm having the same issue as above! If it means anything, I'm using Vectorworks Landmark 2024. I have two reference viewports in my design file. One is showing the data and the other is not. It's showing as a small blank square which gets smaller when I try to edit said viewport. Reference files have not moved and all the links are intact. I suppose I could delete the viewport and bring in a new one, but this is very impractical if I have to do that every time I open the design file. Any help from the community would be greatly appreciated!