CandleDark error message

release-687 (x64)[M]
@stonehearth/components/ai/ai_component.lua:598: (25248567 Kir’art the Decaying(candledark:monster_tuning:all:plague_bearers)) has not yielded after 10 ai spins. Are they in a bad state? Last abort reasons: <Target out of melee range (x10)>
stack traceback:
radiant/modules/common.lua:237: in function 'report_traceback’
radiant/modules/common.lua:456: in function 'verify’
stonehearth/components/ai/ai_component.lua:598: in function <stonehearth/components/ai/ai_component.lua:537>
[C]: in function 'xpcall’
radiant/modules/common.lua:257: in function 'xpcall’
stonehearth/components/ai/ai_component.lua:537: in function '_thread_main’
stonehearth/services/server/threads/thread.lua:273: in function <stonehearth/services/server/threads/thread.lua:270>
[C]: in function 'xpcall’
radiant/modules/common.lua:257: in function 'xpcall’
stonehearth/services/server/threads/thread.lua:270: in function 'f’
radiant/lib/env.lua:15: in function <radiant/lib/env.lua:14>

received this error during one of the fights in the candledark mod i have been playing around with lately, this error occured when one of the zombies had activated one of my traps in game