Connecting pipe to outside breaks room in specific location

[Leonord-github]

This room stops working when placing a pipe in a specific place. There is no reason why the room should stop working if its already valid and I add pipe.

Specifc location of problem pipe.

Seen from other side.

/rooms test result:
Notifications: FAILED: Room had no ceiling at (313,67,482).

Position of marker of missing roof:

[D3nnis3n]

Can you provide the save file and the exact location of the property and where the pipe needs to be placed to break the room score?