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Unity 6 error: "ScriptableSingleton already exists. Did you query the singleton in a constructor?" #55

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hsandt opened this issue Oct 2, 2024 · 0 comments

hsandt commented Oct 2, 2024

On engine start or after recompile in Unity 6000.0.12f1, I get an error in console log:

ScriptableSingleton already exists. Did you query the singleton in a constructor?
UnityEditor.ScriptableSingleton`1<Gemserk.FavoritesAsset>:.ctor ()
Gemserk.FavoritesAsset:.ctor () (at ./Library/PackageCache/com.gemserk.selectionhistory/Editor/FavoritesAsset.cs:22)
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /home/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:219)

This seems to break Selection History features: I tried to Go Back/Forward but then I got error:

NullReferenceException: Object reference not set to an instance of an object
Gemserk.SelectionHistory.GetSelection () (at ./Library/PackageCache/com.gemserk.selectionhistory/SelectionHistory.cs:207)
Gemserk.SelectionHistoryWindowUtils.PreviousSelection () (at ./Library/PackageCache/com.gemserk.selectionhistory/Editor/SelectionHistoryWindowUtils.cs:76)

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