Random engine error

Summary: I’ve got this random error. It looks like it’s hasn’t been triggered by anything in the game itself. I’ve had random errors pop up every few ingame days for no reason. The game itself continues working, but a small aspect changes, whether it’s the town information, AI, or the villagers stop building.

release-702 (x64)
stonehearth/components/scaffolding/scaffolding.lua:316: attempt to index a nil value
stack traceback:
radiant/modules/common.lua:245: in function 'report_traceback’
radiant/modules/common.lua:256: in function <radiant/modules/common.lua:250>
stonehearth/components/scaffolding/scaffolding.lua:316: in function 'get_blueprint_region’
stonehearth/components/scaffolding/scaffolding.lua:357: in function ‘set_scaffolding_region_as_destroying’
…hearth/components/scaffolding/scaffolding_region.lua:752: in function ‘_start_erasing’
…hearth/components/scaffolding/scaffolding_region.lua:382: in function 'instance’
radiant/modules/events.lua:291: in function <radiant/modules/events.lua:285>
[C]: in function 'xpcall’
radiant/modules/common.lua:265: in function 'xpcall’
radiant/modules/events.lua:285: in function ‘trigger’
…earth/components/fabricator/fabricator_component.lua:254: in function ‘fn’

radiant/controllers/time_tracker_controller.lua:84: in function 'set_now’
radiant/controllers/time_tracker_controller.lua:124: in function 'increment_now’
radiant/modules/timer.lua:13: in function 'instance’
radiant/modules/events.lua:291: in function <radiant/modules/events.lua:285>
[C]: in function 'xpcall’
radiant/modules/common.lua:265: in function 'xpcall’
radiant/modules/events.lua:285: in function 'trigger’
radiant/modules/events.lua:398: in function '_trigger_gameloop’
radiant/modules/events.lua:446: in function '_update’
radiant/server.lua:61: in function <radiant/server.lua:58>

Notes: The error mentions scaffolding. It did in fact pop up when a villager was taking down scaffolding from a finished building. Before the error I haven’t noticed anything weird, and it was just an another simple finished building.

So far, most of my errors happened during the building/taking down of scaffolding

Version Number and Mods in use: No mods, Alpha 21