[0.17.31] Crash when hitting CTRL+Z in editor mode

[knightelite]

I was using the map editor, and I copy pasted a part of the design I had been working on. I realized it was a mistake, and hit CTRL+Z to undo the paste.

The game crashed when that happened.

I was using creative mod and creative world plus mods when this happened. Dump + logs are attached.

EDIT: I tried undoing some other things in editor mode and they worked fine without crashing, not sure what specifically I did to cause this crash, unfortunately.

[kovarex]

Thanks for the report, it looks very much like a bug I fixed for 0.17.32, so I'm moving it to resolved.