Keeps popping up purchase nag screen when editing room – RoomScan Classic Review

I had used this on an iPhone 6+ for a while and stopped due to. The phone’s limitations. Now trying on an iPad Pro and when I try to edit a room I just added, it pops up a purchase. Screen and won’t let me go farther. I can only cancel out and can navigate around the app, but get the same problem whenever I try to edit that room.
Review by ScienceSurfer on RoomScan Classic.