What did you do?
The last action I did before the crash was to paste a few factory pieces down and wait for them to be placed. After a few seconds, the crash occurred. This was after the game had been open for several hours.

What happened?
The game froze for a second or two, then crashed with the ...

What did you do?

Built a wall next to a cliff so that it was attached (had a small wall nub), then later removed the cliff with cliff explosive.

WallPlaced.png

What happened?

The cliff was removed. The wall sprite remained as if the cliff was still attached, so the small nub was still ...