As mentioned in the Unity forums by Ben BearFish:
http://forum.unity3d.com/threads/playmaker-visual-scripting-for-unity.72349/page-30We're still getting an Error Loading Action in xCode, but not in the editor. We're using the latest Unity 4.5 on a Mac.
Here's the full output:
System.MissingMethodException: Method not found: 'Default constructor not found...ctor() of UnityEngine.Collision2D'.
at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] in <filename unknown>:0
at System.Activator.CreateInstance (System.Type type) [0x00000] in <filename unknown>:0
at HutongGames.PlayMaker.ActionData.LoadActionField (System.Object obj, System.Reflection.FieldInfo field, Int32 paramIndex) [0x00000] in <filename unknown>:0
at HutongGames.PlayMaker.ActionData.CreateAction (HutongGames.PlayMaker.FsmState state, Int32 actionIndex) [0x00000] in <filename unknown>:0
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:LogError(Object)
HutongGames.PlayMaker.ActionData:CreateAction(FsmState, Int32)
HutongGames.PlayMaker.ActionData:LoadActions(FsmState)
HutongGames.PlayMaker.FsmState:LoadActions()
HutongGames.PlayMaker.Fsm:InitData()
HutongGames.PlayMaker.Fsm:Init(MonoBehaviour)
PlayMakerFSM:Init()
PlayMakerFSM:Awake()