Game mode: [Online ]
After Halloween ended my base is unwalkable in several places. When going up stairs and walking on ceilings I am floating around and sometimes fall through the ceiling and walls. Every now and then walls and ceilings loose stability when I’m offline and with no hostile activity, and they fall down. Most of the time it is the same one wall, and two roof pieces. And when I put them back they have 80 stability.
Steps on how to reproduce issue: