System.NullReferenceException: Object reference not set to an instance of an object
  at SceneController+<>c__DisplayClass26_0.<dispatchDialog>b__0 (UnityEngine.GameObject c) [0x00000] in G:\Unity - Local\Assets\_dont_forget_me\Scripts\Controllers\SceneController.cs:193
  at System.Linq.Enumerable.TryGetFirst[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate, System.Boolean& found) [0x0003f] in <1b13ba6391c74847bbc3eddc86df7eee>:0
  at System.Linq.Enumerable.First[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate) [0x00000] in <1b13ba6391c74847bbc3eddc86df7eee>:0
  at SceneController.dispatchDialog (DialogSpeak dialog) [0x0003b] in G:\Unity - Local\Assets\_dont_forget_me\Scripts\Controllers\SceneController.cs:192
  at SceneController.ContinueStory (System.Boolean resumeDialog) [0x0003c] in G:\Unity - Local\Assets\_dont_forget_me\Scripts\Controllers\SceneController.cs:92
  at SceneController.Start () [0x000ab] in G:\Unity - Local\Assets\_dont_forget_me\Scripts\Controllers\SceneController.cs:47  occurred