I get this error when i put a toggle in a toggle.
NullReferenceException: Object reference not set to an instance of an object
UIToggle.Set (Boolean state) (at C:/Users/k/Documents/GS/Assets/NGUI/Scripts/Interaction/UIToggle.cs:180)
UIToggle.set_value (Boolean value) (at C:/Users/k/Documents/GS/Assets/NGUI/Scripts/Interaction/UIToggle.cs:93)
UIToggle.OnClick () (at C:/Users/k/Documents/GS/Assets/NGUI/Scripts/Interaction/UIToggle.cs:158)
UnityEngine.GameObject:SendMessage(String, Object, SendMessageOptions)
UICamera:Notify(GameObject, String, Object) (at C:/Users/k/Documents/GS/Assets/NGUI/Scripts/UI/UICamera.cs:730)
UICamera:ProcessTouch(Boolean, Boolean) (at C:/Users/k/Documents/GS/Assets/NGUI/Scripts/UI/UICamera.cs:1242)
UICamera:ProcessMouse() (at C:/Users/k/Documents/GS/Assets/NGUI/Scripts/UI/UICamera.cs:996)
UICamera:Update() (at C:/Users/k/Documents/GS/Assets/NGUI/Scripts/UI/UICamera.cs:851)
Thanks