soviet 05 lua error

Fatal Lua Error: [string "BindingSupport.lua"]:30: Uncaught CLR exception at Lua->CLR boundary: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentNullException: Value cannot be null.
Parameter name: source
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at OpenRA.Mods.Common.Scripting.TriggerGlobal.OnAllKilled(Actor[] actors, LuaFunction func)
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
   at OpenRA.Scripting.ScriptMemberWrapper.Invoke(LuaVararg args) in c:\Users\John\Desktop\OpenRA-bleed\OpenRA.Game\Scripting\ScriptMemberWrapper.cs:line 70
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Eluant.LuaRuntime.MethodWrapper.Invoke(Object[] parms)
   at Eluant.LuaRuntime.MakeManagedCall(IntPtr state, MethodWrapper wrapper)
   at OpenRA.Scripting.ScriptContext.FatalError(String message)
   at OpenRA.Mods.Common.Scripting.TriggerGlobal.<>c__DisplayClass2.<AfterDelay>b__0()
   at OpenRA.Effects.DelayedAction.<Tick>b__0(World w)
   at OpenRA.World.Tick()
   at OpenRA.Game.InnerLogicTick(OrderManager orderManager)
   at OpenRA.Game.LogicTick()
   at OpenRA.Game.Loop()
   at OpenRA.Game.Run()
   at OpenRA.Program.Run(String[] args)
   at OpenRA.Program.Main(String[] args)