First time trying to use butcher hook

```
=== Zomboid Settings ===
Version: 42.13.2 986d733f73d95810492027afa9594e1a62502a48 2026-01-19 12:14:48 (ZB) (Steam)
Mode: SINGLE PLAYER

[x1]
function: close -- file: ISButcherHookUI.lua line # 770 | Vanilla
function: perform -- file: ISOpenButcherHookUI.lua line # 40 | Vanilla
java.lang.RuntimeException: Object tried to call nil in close
    at se.krka.kahlua.vm.KahluaUtil.fail(KahluaUtil.java:99)
    at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:761)
    at se.krka.kahlua.vm.KahluaThread.call(KahluaThread.java:167)
    at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1756)
    at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1560)
    at se.krka.kahlua.integration.LuaCaller.pcall(LuaCaller.java:77)
    at zombie.characters.CharacterTimedActions.LuaTimedActionNew.perform(LuaTimedActionNew.java:142)
    at zombie.characters.IsoGameCharacter.updateInternal(IsoGameCharacter.java:9024)
    at zombie.characters.IsoGameCharacter.update(IsoGameCharacter.java:8723)
    at zombie.characters.IsoPlayer.updateInternal1(IsoPlayer.java:2077)
    at zombie.characters.IsoPlayer.update(IsoPlayer.java:2055)
    at zombie.MovingObjectUpdateSchedulerUpdateBucket.update(MovingObjectUpdateSchedulerUpdateBucket.java:63)
    at zombie.MovingObjectUpdateScheduler.update(MovingObjectUpdateScheduler.java:145)
    at zombie.iso.IsoCell.ProcessObjects(IsoCell.java:2625)
    at zombie.iso.IsoCell.updateInternal(IsoCell.java:4899)
    at zombie.iso.IsoCell.update(IsoCell.java:4856)
    at zombie.iso.IsoWorld.updateWorld(IsoWorld.java:3271)
    at zombie.iso.IsoWorld.updateInternal(IsoWorld.java:3363)
    at zombie.iso.IsoWorld.update(IsoWorld.java:3296)
    at zombie.gameStates.IngameState.updateInternal(IngameState.java:1472)
    at zombie.gameStates.IngameState.update(IngameState.java:1293)
    at zombie.gameStates.GameStateMachine.update(GameStateMachine.java:65)
    at zombie.GameWindow.logic(GameWindow.java:392)
    at zombie.GameWindow.frameStep(GameWindow.java:825)
    at zombie.GameWindow.mainThreadStep(GameWindow.java:597)
    at zombie.MainThread.mainLoop(MainThread.java:68)
    at java.base/java.lang.Thread.run(Unknown Source)

```