release-663 (x64)
stonehearth/components/scaffolding/scaffolding.lua:315: attempt to index field '_blueprint' (a nil value)
stack traceback:
	radiant/modules/common.lua:237: in function 'report_traceback'
	radiant/modules/common.lua:248: in function <radiant/modules/common.lua:242>
	stonehearth/components/scaffolding/scaffolding.lua:315: in function 'get_blueprint_region'
	stonehearth/components/scaffolding/scaffolding.lua:356: in function 'set_scaffolding_region_as_destroying'
	...hearth/components/scaffolding/scaffolding_region.lua:731: in function '_start_erasing'
	...hearth/components/scaffolding/scaffolding_region.lua:376: in function 'instance'
	radiant/modules/events.lua:291: in function <radiant/modules/events.lua:285>
	[C]: in function 'xpcall'
	radiant/modules/common.lua:257: in function 'xpcall'
	radiant/modules/events.lua:285: in function 'trigger'
	...earth/components/fabricator/fabricator_component.lua:295: in function 'fn'
	...
	radiant/modules/common.lua:257: in function 'xpcall'
	radiant/modules/events.lua:285: in function 'trigger'
	.../components/scaffolding/scaffolding_project_flat.lua:113: in function 'fn'
	radiant/modules/events.lua:288: in function <radiant/modules/events.lua:285>
	[C]: in function 'xpcall'
	radiant/modules/common.lua:257: in function 'xpcall'
	radiant/modules/events.lua:285: in function 'trigger'
	...hearth/components/scaffolding/scaffolding_region.lua:217: in function <...hearth/components/scaffolding/scaffolding_region.lua:186>
	[C]: in function 'destroy'
	stonehearth/components/scaffolding/scaffolding.lua:110: in function <stonehearth/components/scaffolding/scaffolding.lua:106>