User gets an error "ArgumentException: Cannot unschedule unknown scheduled ..." during "Genre of your Game" selection

Steps to reproduce:

1. Create a new Unity project
2. Go to Window -> Multiplayer -> Multiplayer Center
3. Verify that the mentioned window becomes visible
4. Docked it next to the "Game" window
5. Observe its UI
6. Try to select  any possible option from the "Genre of your Game"
7. Observe the result

Actual results: The Section becomes empty, and the console displays an error. A short video is added below in the Attachments section.

Expected results: Functionality should work—no errors in the Console.

Reproducible with versions:  60000.47f1, 6000.1.1f1, 6000.2.0a10

Not reproducible with versions: 2022.3.61f1, as the  "Multiplayer Center" window is not available

Can’t test with versions: -

Tested on (OS): M1 Max - Sequoia 15.3.2, Windows 11, macOS 15.5 (Silicon M4)

Notes:

• Also reproducible with Audio Random Container
• Full error

ArgumentException: Cannot unschedule unknown scheduled function UnityEngine.UIElements.VisualElement+SimpleScheduledItem
UnityEngine.UIElements.TimerEventScheduler.Unschedule (UnityEngine.UIElements.ScheduledItem item) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Scheduler.cs:305)
UnityEngine.UIElements.VisualElement+BaseVisualElementScheduledItem.OnPanelDeactivate () (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElementScheduler.cs:316)
UnityEngine.UIElements.VisualElement+BaseVisualElementScheduledItem.SendDeactivation () (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElementScheduler.cs:209)
UnityEngine.UIElements.VisualElement+BaseVisualElementScheduledItem.OnElementDetachFromPanelCallback (UnityEngine.UIElements.DetachFromPanelEvent evt) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElementScheduler.cs:229)
UnityEngine.UIElements.EventCallbackFunctor`1[TEventType].Invoke (UnityEngine.UIElements.EventBase evt) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventCallback.cs:64)
UnityEngine.UIElements.EventCallbackRegistry+DynamicCallbackList.Invoke (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.BaseVisualElementPanel panel, UnityEngine.UIElements.VisualElement target) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventCallbackRegistry.cs:246)
UnityEngine.UIElements.EventDispatchUtilities.HandleEventAtTargetAndDefaultPhase (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.BaseVisualElementPanel panel, UnityEngine.UIElements.VisualElement target) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventDispatchUtilities.cs:116)
UnityEngine.UIElements.VisualElement.WillChangePanel (UnityEngine.UIElements.BaseVisualElementPanel destinationPanel) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElement.cs:1809)
UnityEngine.UIElements.VisualElement.SetPanel (UnityEngine.UIElements.BaseVisualElementPanel p) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElement.cs:1735)
UnityEngine.UIElements.VisualElement+Hierarchy.SetParent (UnityEngine.UIElements.VisualElement value) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElementHierarchy.cs:813)
UnityEngine.UIElements.VisualElement+Hierarchy.Clear () (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElementHierarchy.cs:652)
UnityEngine.UIElements.VisualElement.Clear () (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElementHierarchy.cs:256)
Unity.Multiplayer.Center.Window.UI.QuestionnaireView.ReCreateVisualElements () (at ./Library/PackageCache/com.unity.multiplayer.center@f3fb577b3546/Editor/MultiplayerCenterWindow/UI/QuestionnaireView.cs:35)
Unity.Multiplayer.Center.Window.UI.QuestionnaireView.Refresh () (at ./Library/PackageCache/com.unity.multiplayer.center@f3fb577b3546/Editor/MultiplayerCenterWindow/UI/QuestionnaireView.cs:30)
Unity.Multiplayer.Center.Window.RecommendationTabView.OnPresetSelected (Unity.Multiplayer.Center.Common.Preset preset) (at ./Library/PackageCache/com.unity.multiplayer.center@f3fb577b3546/Editor/MultiplayerCenterWindow/RecommendationTabView.cs:193)
Unity.Multiplayer.Center.Window.UI.QuestionnaireView.RaisePresetSelected (Unity.Multiplayer.Center.Common.Preset preset) (at ./Library/PackageCache/com.unity.multiplayer.center@f3fb577b3546/Editor/MultiplayerCenterWindow/UI/QuestionnaireView.cs:82)
Unity.Multiplayer.Center.Window.UI.QuestionSection.RaiseValueChangedCallback (UnityEngine.UIElements.ChangeEvent`1[T] eventData) (at ./Library/PackageCache/com.unity.multiplayer.center@f3fb577b3546/Editor/MultiplayerCenterWindow/UI/QuestionSection.cs:140)
UnityEngine.UIElements.EventCallbackFunctor`1[TEventType].Invoke (UnityEngine.UIElements.EventBase evt) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventCallback.cs:64)
UnityEngine.UIElements.EventCallbackRegistry+DynamicCallbackList.Invoke (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.BaseVisualElementPanel panel, UnityEngine.UIElements.VisualElement target) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventCallbackRegistry.cs:246)
UnityEngine.UIElements.EventDispatchUtilities.HandleEventAcrossPropagationPath (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.BaseVisualElementPanel panel, UnityEngine.UIElements.VisualElement target, System.Boolean isCapturingTarget) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventDispatchUtilities.cs:191)
UnityEngine.UIElements.EventDispatchUtilities.DefaultDispatch (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.BaseVisualElementPanel panel) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventDispatchUtilities.cs:537)
UnityEngine.UIElements.EventBase.Dispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Events/EventBase.cs:115)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.BaseVisualElementPanel panel) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/EventDispatcher.cs:419)
UnityEngine.UIElements.EventDispatcher.Dispatch (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.BaseVisualElementPanel panel, UnityEngine.UIElements.DispatchMode dispatchMode) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/EventDispatcher.cs:215)
UnityEngine.UIElements.BaseVisualElementPanel.SendEvent (UnityEngine.UIElements.EventBase e, UnityEngine.UIElements.DispatchMode dispatchMode) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Panel.cs:630)
UnityEngine.UIElements.VisualElement.SendEvent (UnityEngine.UIElements.EventBase e, UnityEngine.UIElements.DispatchMode dispatchMode) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/VisualElement.cs:1890)
UnityEngine.UIElements.BaseField`1[TValueType].set_value (TValueType value) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Controls/InputField/BaseField.cs:235)
UnityEngine.UIElements.EnumField.ChangeValueFromMenu (System.Object menuItem) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Controls/EnumField.cs:428)
UnityEngine.UIElements.EnumField.<ShowMenu>b__42_0 (System.Object contentView) (at /Users/bokken/build/output/unity/unity/Modules/UIElements/Core/Controls/EnumField.cs:420)
UnityEditor.GenericMenu.CatchMenu (System.Object userData, System.String[] options, System.Int32 selected) (at /Users/bokken/build/output/unity/unity/Editor/Mono/GUI/GenericMenu.cs:154)