这是啥意思是正常的吗

NullReferenceException

Object reference not set to an instance of an object.

PageStack.Log (System.String tag) (at <00000000000000000000000000000000>:0)

UIEngine+<ForwardAsync>d__35.MoveNext () (at <00000000000000000000000000000000>:0)

Cysharp.Threading.Tasks.CompilerServices.AsyncUniTaskMethodBuilder`1[T].Start[TStateMachine] (TStateMachine& stateMachine) (at <00000000000000000000000000000000>:0)

UIEngine.ForwardAsync (System.String pageName, System.Object param, System.Action`1[T] setter) (at <00000000000000000000000000000000>:0)

UIEngineExtension+<ForwardAsync>d__0`1[T].MoveNext () (at <00000000000000000000000000000000>:0)

Cysharp.Threading.Tasks.CompilerServices.AsyncUniTaskMethodBuilder`1[T].Start[TStateMachine] (TStateMachine& stateMachine) (at <00000000000000000000000000000000>:0)

UIEngineExtension.ForwardAsync[T] (UIEngine uiengine, System.Object param, System.Action`1[T] setter) (at <00000000000000000000000000000000>:0)

MainPage+<ForwardToAppPage>d__13.MoveNext () (at <00000000000000000000000000000000>:0)

Cysharp.Threading.Tasks.CompilerServices.AsyncUniTaskMethodBuilder.Start[TStateMachine] (TStateMachine& stateMachine) (at <00000000000000000000000000000000>:0)

MainPage.ForwardToAppPage () (at <00000000000000000000000000000000>:0)

VfxButton+<OnClickBtn>d__18.MoveNext () (at <00000000000000000000000000000000>:0)

TimeWaiterManager.WaiterUpdate () (at <00000000000000000000000000000000>:0)

TimeWaiterManager.Update () (at <00000000000000000000000000000000>:0)

System.Threading.ContextCallback.Invoke (System.Object state) (at <00000000000000000000000000000000>:0)

System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) (at <00000000000000000000000000000000>:0)