I'm getting two Lua errors right after the Balance opener.

79x HeroRotation_Druid\Balance-Balance.lua:558: attempt to call method 'BaseDuration' (a nil value)
[string "@HeroRotation_Druid\Balance-Balance.lua"]:558: in function <HeroRotation_Druid\Balance.lua:509>
[string "@HeroRotation_Druid\Balance-Balance.lua"]:853: in function `?'
[string "@HeroRotation\Main.lua"]:443: in function <HeroRotation\Main.lua:427>

11x HeroRotation_Druid\Balance-Balance.lua:431: attempt to call method 'BaseDuration' (a nil value)
[string "@HeroRotation_Druid\Balance-Balance.lua"]:431: in function <HeroRotation_Druid\Balance.lua:393>
[string "@HeroRotation_Druid\Balance-Balance.lua"]:861: in function `?'
[string "@HeroRotation\Main.lua"]:443: in function <HeroRotation\Main.lua:427>

This is fixed in commit 6906975