Having issues setting up my second door. Remote device is linked and in a metal crate surrounded by 4 short wired fences

`attempted index: getX of non-table: null
function: start -- file: WalkToTimedAction.lua line # 44 | Vanilla
Callframe at: StartAction
function: begin -- file: ISBaseTimedAction.lua line # 61 | Vanilla
function: addToQueue -- file: ISTimedActionQueue.lua line # 23 | Vanilla
function: add -- file: ISTimedActionQueue.lua line # 131 | Vanilla
function: RDC_ZPerformAction -- file: RDC_Z.lua line # 1137 | MOD: Z Remote Door Control
function: onMouseUp -- file: ISContextMenu.lua line # 90 | Vanilla
java.lang.RuntimeException: attempted index: getX of non-table: null
at se.krka.kahlua.vm.KahluaThread.tableget(KahluaThread.java:1689)
at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:641)
at se.krka.kahlua.vm.KahluaThread.call(KahluaThread.java:163)
at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1980)
at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1782)
at se.krka.kahlua.integration.LuaCaller.pcall(LuaCaller.java:85)
at zombie.characters.CharacterTimedActions.LuaTimedActionNew.start(LuaTimedActionNew.java:91)
at zombie.characters.CharacterTimedActions.BaseAction.waitToStart(BaseAction.java:94)
at zombie.characters.CharacterTimedActions.LuaTimedActionNew.waitToStart(LuaTimedActionNew.java:63)
at zombie.characters.IsoGameCharacter.StartAction(IsoGameCharacter.java:5716)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at se.krka.kahlua.integration.expose.caller.MethodCaller.call(MethodCaller.java:62)
at se.krka.kahlua.integration.expose.LuaJavaInvoker.call(LuaJavaInvoker.java:198)
at se.krka.kahlua.integration.expose.LuaJavaInvoker.call(LuaJavaInvoker.java:188)
at se.krka.kahlua.vm.KahluaThread.callJava(KahluaThread.java:182)
at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:1007)
at se.krka.kahlua.vm.KahluaThread.call(KahluaThread.java:163)
at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1980)
at se.krka.kahlua.vm.KahluaThread.pcallBoolean(KahluaThread.java:1924)
at se.krka.kahlua.integration.LuaCaller.protectedCallBoolean(LuaCaller.java:104)
at zombie.ui.UIElement.onMouseUp(UIElement.java:1228)
at zombie.ui.UIManager.update(UIManager.java:816)
at zombie.GameWindow.logic(GameWindow.java:262)
at zombie.core.profiling.AbstractPerformanceProfileProbe.invokeAndMeasure(AbstractPerformanceProfileProbe.java:71)
at zombie.GameWindow.frameStep(GameWindow.java:765)
at zombie.GameWindow.run_ez(GameWindow.java:681)
at zombie.GameWindow.mainThread(GameWindow.java:495)
at java.base/java.lang.Thread.run(Unknown Source)
`