NullReferenceException: Object reference not set to an instance of an object
QuestElement.OnCollectClick () (at Assets/Scripts/UIScripts/UIElements/NewWindowElements/Other/QuestElement.cs:290)
UtilScripts.ControlScripts.ButtonEventListener.ButtonClick (UnityEngine.GameObject button) (at Assets/Scripts/UtilScripts/ButtonEventListener.cs:82)
UnityEngine.GameObject:SendMessage(String, Object, SendMessageOptions)
ButtonListener:ClickAction() (at Assets/Scripts/UtilScripts/ButtonListener.cs:160)
ButtonListener:OnPress(Boolean) (at Assets/Scripts/UtilScripts/ButtonListener.cs:104)
UnityEngine.GameObject:SendMessage(String, Object, SendMessageOptions)
UICamera:Notify(GameObject, String, Object) (at Assets/NGUI/Scripts/UI/UICamera.cs:1904)
UICamera:ProcessRelease(Boolean, Single) (at Assets/NGUI/Scripts/UI/UICamera.cs:2757)
UICamera:ProcessTouch(Boolean, Boolean) (at Assets/NGUI/Scripts/UI/UICamera.cs:2847)
UICamera:ProcessMouse() (at Assets/NGUI/Scripts/UI/UICamera.cs:2270)
UICamera:ProcessTouches() (at Assets/NGUI/Scripts/UI/UICamera.cs:2384)
UICamera:ProcessEvents() (at Assets/NGUI/Scripts/UI/UICamera.cs:2084)
UICamera:Update() (at Assets/NGUI/Scripts/UI/UICamera.cs:2043)