Couldnt find a map bug thread/sticky, so submitting here.
Found a garage door that opens into a wall.
It is here: https://map.projectzomboid.com/#0.843910067760969,0.23565476795383108,1650.2197558268592
Screenshot: https://imgur.com/a/oq5G8nB
I am on IWBUMS latest (41.27?)