Happens randomly, but the walls will not go away without relogging, which usually takes multiple tries to actually do. Constantly hung on loading screens and constantly failing teleports, even just in and out of dungeons/cellars. Clicking the “season” tab in menu will trigger the invisible walls and failed teleports immediately every single time.
This is getting EXTREMELY frustrating when I paid almost $100 for the base game and another $80 for this expansion. Not to mention my cosmetics that have vanished. I AM NOT HAPPY.