Hearthling has not yielded after 35 AI spins

Here’s another one. Is this mining related?

release-537 (x64)
@stonehearth/components/ai/ai_component.lua:566: (3384 Autumn Quess) has not yielded after 10 ai spins. Are they in a bad state? Last abort reason: could not reserve region
stack traceback:
    radiant/modules/common.lua:223: in function 'report_traceback'
    radiant/modules/common.lua:442: in function 'verify'
    stonehearth/components/ai/ai_component.lua:566: in function 
    [C]: in function 'xpcall'
    radiant/modules/common.lua:243: in function 'xpcall'
    stonehearth/components/ai/ai_component.lua:524: in function 'threadmain'
    stonehearth/services/server/threads/thread.lua:249: in function 
    [C]: in function 'xpcall'
    radiant/modules/common.lua:243: in function 'xpcall'
    stonehearth/services/server/threads/thread.lua:246: in function 'f'
    radiant/lib/env.lua:15: in function

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