this is detail of error
ArgumentOutOfRangeException: Argument is out of range.
Parameter name: index
System.Collections.Generic.List`1[HutongGames.PlayMaker.FsmGameObject].get_Item (Int32 index)
HutongGames.PlayMaker.ActionData.LoadActionField (System.Object obj, System.Reflection.FieldInfo field, Int32 paramIndex)
HutongGames.PlayMaker.ActionData.CreateAction (HutongGames.PlayMaker.FsmState state, Int32 actionIndex)
HutongGames.PlayMaker.ActionData.LoadActions (HutongGames.PlayMaker.FsmState state)
HutongGames.PlayMaker.FsmState.get_Actions ()
HutongGames.PlayMakerEditor.FsmErrorChecker.DoCheckFsmForErrors (HutongGames.PlayMaker.Fsm fsm)
HutongGames.PlayMakerEditor.FsmErrorChecker.DoCheckForErrors ()
HutongGames.PlayMakerEditor.FsmErrorChecker.Update ()
HutongGames.PlayMakerEditor.FsmEditor.OnInspectorUpdate ()
FsmEditorWindow.OnInspectorUpdate () (at Assets/PlayMaker/Editor/FsmEditorWindow.cs:238)
System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters)
UnityEditor.HostView.Invoke (System.String methodName, System.Object obj)
UnityEditor.HostView.Invoke (System.String methodName)
UnityEditor.HostView.OnInspectorUpdate ()