NullReferenceException: Object reference not set to an instance of an object
RW.UI.TonyButtonExtensions+<>c__DisplayClass16_0.<FillButtonSkip>b__1 (System.Int64 _) (at Assets/Scripts/UI/TonyButtonExtensions.cs:396)
UniRx.Observer+Subscribe`1[T].OnNext (T value) (at Assets/Plugins/UniRx/Scripts/Observer.cs:165)
UniRx.Operators.DoOnCompletedObservable`1+DoOnCompleted[T].OnNext (T value) (at Assets/Plugins/UniRx/Scripts/Operators/Do.cs:267)
UniRx.Operators.TakeWhileObservable`1+TakeWhile[T].OnNext (T value) (at Assets/Plugins/UniRx/Scripts/Operators/TakeWhile.cs:66)
UniRx.Operators.ConcatObservable`1+Concat[T].OnNext (T value) (at Assets/Plugins/UniRx/Scripts/Operators/Concat.cs:127)
UniRx.Operators.TimerObservable+Timer.OnNext () (at Assets/Plugins/UniRx/Scripts/Operators/Timer.cs:102)
UniRx.MainThreadDispatcher.UnsafeSend (System.Action action) (at Assets/Plugins/UniRx/Scripts/UnityEngineBridge/MainThreadDispatcher.cs:269)
UnityEngine.Debug:LogException(Exception)
UniRx.<>c:<.ctor>b__53_0(Exception) (at Assets/Plugins/UniRx/Scripts/UnityEngineBridge/MainThreadDispatcher.cs:401)
UniRx.MainThreadDispatcher:UnsafeSend(Action) (at Assets/Plugins/UniRx/Scripts/UnityEngineBridge/MainThreadDispatcher.cs:276)
UniRx.<PeriodicAction>d__3:MoveNext() (at Assets/Plugins/UniRx/Scripts/UnityEngineBridge/MainThreadScheduler.cs:128)
UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)