NullReferenceException: Object reference not set to an instance of an object
Cards.Model.GameModel.StringDiff (Cards.Model.GameModel model1, Cards.Model.GameModel model2) (at Assets/Scripts/Gameplay/Model/GameModel.cs:573)
Cards.GameController.VerificationPassedCallback (Cards.Networking.GameRequestResponse resp) (at Assets/Scripts/Gameplay/GameController.cs:839)
Cards.GameController+<VerifyModel>c__AnonStorey4.<>m__0 (Cards.Networking.GameRequestResponse x) (at Assets/Scripts/Gameplay/GameController.cs:621)
UniRx.Observer+Subscribe`1[Cards.Networking.GameRequestResponse].OnNext (Cards.Networking.GameRequestResponse value) (at Assets/Plugins/UniRx/Scripts/Observer.cs:164)
UniRx.Operators.SelectManyObservable`2+SelectManyOuterObserver+SelectMany[System.Int64,Cards.Networking.GameRequestResponse].OnNext (Cards.Networking.GameRequestResponse value) (at Assets/Plugins/UniRx/Scripts/Operators/SelectMany.cs:149)
UniRx.Operators.SelectManyObservable`2+SelectManyOuterObserver+SelectMany[UnityEngine.Networking.UnityWebRequestAsyncOperation,Cards.Networking.GameRequestResponse].OnNext (Cards.Networking.GameRequestResponse value) (at Assets/Plugins/UniRx/Scripts/Operators/SelectMany.cs:149)
UniRx.Operators.ImmediateReturnObservable`1[Cards.Networking.GameRequestResponse].Subscribe (IObserver`1 observer) (at Assets/Plugins/UniRx/Scripts/Operators/Return.cs:87)
UniRx.Operators.SelectManyObservable`2+SelectManyOuterObserver[UnityEngine.Networking.UnityWebRequestAsyncOperation,Cards.Networking.GameRequestResponse].OnNext (UnityEngine.Networking.UnityWebRequestAsyncOperation value) (at Assets/Plugins/UniRx/Scripts/Operators/SelectMany.cs:106)
UniRx.Operators.FromCoroutineObservable`1+FromCoroutine[UnityEngine.Networking.UnityWebRequestAsyncOperation].OnNext (UnityEngine.Networking.UnityWebRequestAsyncOperation value) (at Assets/Plugins/UniRx/Scripts/UnityEngineBridge/Operators/FromCoroutine.cs:44)