Error building stone building

I get an error message when building a custom stone building:

release-610 (x64)
stonehearth/components/wall/wall_component.lua:369: attempt to index a nil value
stack traceback:
[C]: ?
stonehearth/components/wall/wall_component.lua:369: in function 'connect_to_columns’
stonehearth/services/server/build/build_service.lua:1223: in function 'init_fn’
stonehearth/services/server/build/build_service.lua:505: in function '_create_blueprint’
stonehearth/services/server/build/build_service.lua:1221: in function '_create_wall’
stonehearth/services/server/build/build_service.lua:1208: in function '_add_wall_span’
stonehearth/services/server/build/build_service.lua:1037: in function 'visitor_fn’
stonehearth/lib/build_util.lua:700: in function 'grow_walls_around’
stonehearth/services/server/build/build_service.lua:1036: in function 'grow_walls’
stonehearth/services/server/build/build_service.lua:1008: in function 'cb’
stonehearth/services/server/build/build_service.lua:1533: in function 'do_command’
stonehearth/services/server/build/build_service.lua:1007: in function <stonehearth/services/server/build/build_service.lua:1005>
release-610 (x64)
c++ exception: lua runtime error
stack traceback:

oh no its back :slight_smile: we have had this one a while back i believe.

Which version are you using? any mods installed? Maby upload the template?

0.17.0 release 610 x64 build

no mods

didn’t get as far as creating a template before the error and it wouldn’t let me build in that location