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>