Engine Error, Attempt to perform arithmatic on field "?"

Summary:
release-893 (x64)[M]

stonehearth/components/building2/building.lua:258: attempt to perform arithmetic on field ‘?’ (a nil value)

stack traceback: [C]: ? stonehearth/components/building2/building.lua:258: in function <stonehearth/components/building2/building.lua:255> [C]: ? [C]: in function ‘update’ radiant/modules/events.lua:59: in function ‘_update’ radiant/server.lua:66: in function <radiant/server.lua:63>

Steps to reproduce:

  1. Load Save: wait a few seconds.

Notes:
I’d just set the pasture to build and the small house in front of it has been going for a bit.

Attachments:
https://www.dropbox.com/s/7qwuiwl2iv8c7lh/SilverwychError.zip?dl=0

Version Number and Mods in use:
standar gamed + better storage.

System Information:
windows 10

Can’t reproduce the error with your savefile. Did it happen while you were designing the house that’s in-progress, or while they were building it?

It seems to be related to high quality items :thinking:

I just tried it again too. can’t replicate it anymore either. No, it happened after I’d started the house and the fenced in pasture. Ah well.