No mods. 4 of us were playing. I was messing with an upgrade planner red->yellow underground belts (we were iron limited) at the time, though unclear if that was related.
Desync Report: https://drive.google.com/file/d/1sGz_TK ... sp=sharing
[1.1.2] Multiplayer Desync
Re: [1.1.2] Multiplayer Desync
Thanks for the report, this desync was already found and it is fixed for the next release.