I had unzip the stonehearth.smod file to a directory to check it out last week. I just deleted it and error no longer shows up and the game runs fine so far. Minions getting promoted and tasks getting done.
I got this one after placing a zone then immediately got a caravan notification
On an added note… the minions won’t promote or place items in their zones. They will still collect berries and cut down trees. They started to build but then stopped after digging the hole for the floor…
Made a new game with the same results.
Created another game and didn’t place a zone and tried to promote and got the error…
Sadly, the game is unplayable for me with this update. I hope this info helps.