drowsy tinsel
If you open the menu and keep clicking fast "Havens" and the "Back icon" over and over it goes to this blank menu which you can't get rid of, only by entering the private/public room manually, so if you do this in the Lair or the Groove Havens you'll be stuck there until you force close the game.
the "info icon" works fine
minor mantle
You could go into ranked 🤷