this error popped up when I was building a custom building
release-699 (x64)
stonehearth/ai/observers/health_observer.lua:119: assertion failed!
stack traceback:
radiant/modules/common.lua:237: in function 'report_traceback’
radiant/modules/common.lua:248: in function <radiant/modules/common.lua:242>
[C]: in function 'assert’
stonehearth/ai/observers/health_observer.lua:119: 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’
radiant/modules/events.lua:370: in function '_fire_async_triggers’
radiant/modules/events.lua:445: in function '_update’
radiant/server.lua:61: in function <radiant/server.lua:58>