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Fixed in 1.7.5

Fixed in 1.8.4

Votes

0

Found in [Package]

1.7.4

1.8.2

Issue ID

TB-205

Regression

Yes

[Timeline] Cannot scrub timeline without error spam

Package: Timeline

-

After upgrading to 2022.2.21 scrubbing in the timeline throw an error constantly and also resets the playhead.

Repo Steps:
1. open project with timeline(eg: [https://github.cds.internal.unity3d.com/unity/com.unity.template.urp-sample])

2. open timeline asset and scrub(if using above project, open scene _Assets/Scenes/Cockpit/Scenes/Cockpit_Ride.unity_ and select game object {}Root/Logic/Director{})

Expected results: Timeline scrubs and scene animates without errors

Actual results: While scrubbing, errors are thrown and play head rendering is jumpy/glitchy

Error:
{code:java}
ArgumentException: An item with the same key has already been added. Key: Animation Track (UnityEngine.Timeline.AnimationTrack)
System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) (at <f67bbaca809f45d99c92519300368493>:0)
System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) (at <f67bbaca809f45d99c92519300368493>:0)
UnityEditor.Timeline.TimelineUtility.GetBindingPairsFromDirectors[T] (System.Collections.Generic.IEnumerable`1[T] directors) (at ./Library/PackageCache/com.unity.timeline@1.7.4/Editor/TimelineUtility.cs:286)
UnityEditor.Timeline.WindowState.OnStartPreview (UnityEngine.Playables.PlayableDirector director) (at ./Library/PackageCache/com.unity.timeline@1.7.4/Editor/State/WindowState.cs:1016)
UnityEditor.Timeline.WindowState.GatherProperties (UnityEngine.Playables.PlayableDirector director) (at ./Library/PackageCache/com.unity.timeline@1.7.4/Editor/State/WindowState.cs:993)
UnityEditor.Timeline.TimelineWindow.RebuildGraphIfNecessary (System.Boolean evaluate) (at ./Library/PackageCache/com.unity.timeline@1.7.4/Editor/Window/TimelineWindow.cs:468)
UnityEditor.Timeline.TimelineWindow.OnGUI () (at ./Library/PackageCache/com.unity.timeline@1.7.4/Editor/Window/TimelineWindow.cs:251)
UnityEditor.HostView.InvokeOnGUI (UnityEngine.Rect onGUIPosition) (at /Users/bokken/build/output/unity/unity/Editor/Mono/HostView.cs:512)
UnityEditor.DockArea.DrawView (UnityEngine.Rect dockAreaRect) (at /Users/bokken/build/output/unity/unity/Editor/Mono/GUI/DockArea.cs:386)
UnityEditor.DockArea.OldOnGUI () (at /Users/bokken/build/output/unity/unity/Editor/Mono/GUI/DockArea.cs:377)
UnityEngine.UIElements.IMGUIContainer.DoOnGUI (UnityEngine.Event evt, UnityEngine.Matrix4x4 parentTransform, UnityEngine.Rect clippingRect, System.Boolean isComputingLayout, UnityEngine.Rect layoutSize, System.Action onGUIHandler, System.Boolean canAffectFocus) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/IMGUIContainer.cs:376)
UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, UnityEngine.Matrix4x4 worldTransform, UnityEngine.Rect clippingRect, System.Action onGUIHandler, System.Boolean canAffectFocus) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/IMGUIContainer.cs:676)
UnityEngine.UIElements.IMGUIContainer.DoIMGUIRepaint () (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/IMGUIContainer.cs:536)
UnityEngine.UIElements.UIR.RenderChainCommand.ExecuteNonDrawMesh (UnityEngine.UIElements.UIR.DrawParams drawParams, System.Single pixelsPerPoint, System.Exception& immediateException) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/Renderer/UIRenderer/UIRenderers.cs:130)
Rethrow as ImmediateModeException
UnityEngine.UIElements.UIR.RenderChain.Render () (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/Renderer/UIRRenderChain.cs:513)
UnityEngine.UIElements.UIRRepaintUpdater.Update () (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/Renderer/UIRRepaintUpdater.cs:79)
UnityEngine.UIElements.VisualTreeUpdater.UpdateVisualTreePhase (UnityEngine.UIElements.VisualTreeUpdatePhase phase) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/VisualTreeUpdater.cs:111)
UnityEngine.UIElements.Panel.UpdateForRepaint () (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/Panel.cs:1026)
UnityEngine.UIElements.Panel.Repaint (UnityEngine.Event e) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/Panel.cs:1087)
UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:454)
UnityEngine.UIElements.UIElementsUtility.UnityEngine.UIElements.IUIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& eventHandled) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:205)
UnityEngine.UIElements.UIEventRegistration.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:74)
UnityEngine.UIElements.UIEventRegistration+<>c.<.cctor>b__1_2 (System.Int32 i, System.IntPtr ptr) (at /Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:28)
UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& result) (at /Users/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:190) {code}
Repos in 2022.2.21f1

Last known good version was 2022.2.10f1

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