Woodland Mansion generating with a small hole

The Bug

Woodland mansions can be generated with holes. Specifically, in this case, it seems that when a specific room on the second floor and the third floor is generated, it for some reason generates a hole that is 3x1 in size.

Note: I am not sure how this generation issue occurred.

How to Reproduce

1. Make a new world with seed 3057310577815726585.
2. Run /tp @s -2006 74 -5888.
3. On the west side of the room, there is a 3x1 hole.