EDIT: This is still occuring in the newest IWBUMS version. The bug has been corroborated by other users as of October 2020 AD. I am submitting further information.
Good evening.
I am experiencing an odd situation on a custom Map. Now, one might say to oneself, "this is a Mod issue, take it there", but it isn't. The original author of the Map has confirmed the same bug in a game on his map without Mods.
In the pictures attached, you will see the issue.
In these specific classes of shelving furniture, the game is incapable of spawning anythi