Can´t build any more

Summary:

Steps to reproduce:

1.release-687 (x64)
…onehearth/components/building/building_component.lua:727: attempt to index field ‘entity’ (a nil value)
stack traceback:
[C]: ?
…onehearth/components/building/building_component.lua:727: in function ‘_compute_total_structures’
…onehearth/components/building/building_component.lua:130: in function <…onehearth/components/building/building_component.lua:117>
2. release-687 (x64)
c++ exception: lua runtime error
stack traceback:
3. release-687 (x64)
radiant/modules/entities.lua:307: attempt to index local ‘entity’ (a nil value)
stack traceback:
[C]: ?
radiant/modules/entities.lua:307: in function 'get_world_grid_location’
stonehearth/services/server/build/build_service.lua:581: in function '_subtract_region_from_floor’
stonehearth/services/server/build/build_service.lua:309: in function '_add_floor_type’
stonehearth/services/server/build/build_service.lua:259: in function 'add_floor’
stonehearth/services/server/build/build_service.lua:143: in function 'cb’
stonehearth/services/server/build/build_service.lua:1582: in function 'do_command’
stonehearth/services/server/build/build_service.lua:142: in function <stonehearth/services/server/build/build_service.lua:140>
Expected Results:

Actual Results:

Notes:

Attachments:

Version Number and Mods in use:

System Information: