446x HeroLib\Class\Unit\Aura.lua:32: attempt to index local 'ThisSpell' (a nil value)
[string "@herolib\Class\Unit\Aura.lua"]:32: in function <HeroLib\Class\Unit\Aura.lua:27>
[string "=(tail call)"]: ?
[string "@herolib\Class\Unit\Aura.lua"]:148: in function DebuffRemains' [string "@HeroLib\Class\Unit\Aura.lua"]:159: in function DebuffUp'
[string "@herolib\Class\Unit\Aura.lua"]:164: in function DebuffDown' [string "@HeroLib\Class\Unit\Aura.lua"]:132: in function DebuffStack'
[string "@HeroRotation_Mage\Arcane.lua"]:607: in function <HeroRotation_Mage\Arcane.lua:561>
[string "@HeroRotation_Mage\Arcane.lua"]:907: in function `?'
[string "@HeroRotation\Main.lua"]:445: in function <HeroRotation\Main.lua:423>

Fixed in commit herotc/hero-rotation@59b055b