I'm using the newest version of chrome. I got this error:Error: : data\scripts\prefabs\butterfly.lua:19: attempt to index field 'health' (a nil value) LUA ERROR stack traceback: data\scripts\prefabs\butterfly.lua(19,1) in function 'onfinish' data\scripts\components\workable.lua(35,1) in function 'WorkedBy' data\scripts\actions.lua(233,1) in function 'fn' data\scripts\bufferedaction.lua(19,1) in function 'Do' data\scripts\entityscript.lua(610,1) in function 'PerformBufferedAction' data\scripts\stategraphs\SGwilson.lua(533,1) in function 'fn' data\scripts\stategraph.lua(414,1) in function 'UpdateState' data\scripts\stategraph.lua(436,1) in function 'Update' data\scripts\stategraph.lua(98,1) in function 'Update' data\scripts\update.lua(91,1)