Not signed in
Copyright © 2026 Unity Technologies
Thank you for reporting a bug to Unity. We have reviewed the issue carefully, and in this case it is fixed in 6000.6.0a7. Unfortunately, since it's still a preview feature, we're not backporting fixes to the new hierarchy to reduce risk and keep a high velocity. Today we will be closing this specific port. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.
Steps to reproduce:
Actual results: InvalidOperationException is thrown
InvalidOperationException: HierarchyNode(2239:1) not found
Unity.Hierarchy.HierarchyViewModel.GetParent (Unity.Hierarchy.HierarchyNode& node) (at <96f92eb7250f45b4bffe77e0b7f03906>:0)
Unity.Hierarchy.HierarchyView.ExpandParents (System.ReadOnlySpan`1[T] nodes) (at ///unity/Modules/Hierarchy/Managed/HierarchyView.cs:1424)
Unity.Hierarchy.HierarchyView.Frame (System.ReadOnlySpan`1[T] nodes) (at ///unity/Modules/Hierarchy/Managed/HierarchyView.cs:998)
Unity.Hierarchy.Editor.HierarchyGlobalSelectionHandler.SyncViewModelFromGlobalSelection (System.Boolean frameSelection) (at ///unity/Modules/HierarchyEditor/Managed/HierarchyGlobalSelectionHandler.cs:57)
Unity.Hierarchy.Editor.HierarchyGlobalSelectionHandler.<OnGlobalSelectionChanged>b__8_0 () (at ///unity/Modules/HierarchyEditor/Managed/HierarchyGlobalSelectionHandler.cs:129)
Unity.Hierarchy.HierarchyView.<DoUpdate>g__ExecuteActions|190_3 (Unity.Hierarchy.CircularBuffer`1[T] actions) (at ///unity/Modules/Hierarchy/Managed/HierarchyView.cs:1845)
UnityEngine.Debug:LogException(Exception)
Unity.Hierarchy.HierarchyView:<DoUpdate>g__ExecuteActions|190_3(CircularBuffer`1) (at ///unity/Modules/Hierarchy/Managed/HierarchyView.cs:1849)
Unity.Hierarchy.HierarchyView:<DoUpdate>g__DoUpdateStage|190_4(UpdateMode, Double) (at ///unity/Modules/Hierarchy/Managed/HierarchyView.cs:1877)
Unity.Hierarchy.HierarchyView:DoUpdate(UpdateMode, Double) (at ///unity/Modules/Hierarchy/Managed/HierarchyView.cs:1892)
Unity.Hierarchy.HierarchyView:UpdateIncrementalTimed(Double) (at ///unity/Modules/Hierarchy/Managed/HierarchyView.cs:501)
Unity.Hierarchy.Editor.HierarchyWindow:Update() (at ///unity/Modules/HierarchyEditor/Managed/HierarchyWindow.cs:1014)
UnityEditor.EditorApplication:Internal_CallUpdateFunctions() (at ///unity/Editor/Mono/EditorApplication.cs:404)
Reproducible with versions: 6000.5.0a7
Not reproducible with versions: 6000.5.0a6
Can’t test with versions:
Tested on (OS): macOS
Notes:
Sign in to see your voted issues