Issue With New Unity Project After Installing Entities Package

Unity Engine
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1

I’m encountering a problem with Unity after installing the Entities package in a new project. I was hoping someone could help me troubleshoot this issue.

What I Did:

  1. Created a new Unity project using the URP/2D/Core.

  2. Opened the Package Manager and installed the Entities package.

  3. After installation I’m getting below error in console whenever I try to add or replace anything in a subscene.

MissingReferenceException: The object of type 'UnityEngine.GameObject' has been destroyed but you are still trying to access it.
Your script should either check if it is null or you should not destroy the object.
UnityEngine.Object+MarshalledUnityObject.TryThrowEditorNullExceptionObject (UnityEngine.Object unityObj, System.String parameterName) (at /Users/bokken/build/output/unity/unity/Runtime/Export/Scripting/UnityEngineObject.bindings.cs:869)
UnityEngine.Bindings.ThrowHelper.ThrowNullReferenceException (System.Object obj) (at /Users/bokken/build/output/unity/unity/Runtime/Export/Scripting/BindingsHelpers.cs:61)
UnityEngine.GameObject.SetActive (System.Boolean value) (at <eac12af5e0034b02b1bfe348a7feb8c6>:0)
Unity.Entities.BakingCompanionComponentSystem.CreateCompanionGameObjects () (at ./Library/PackageCache/com.unity.entities/Unity.Entities.Hybrid/Baking/BakingCompanionComponentSystem.cs:230)
Unity.Entities.BakingCompanionComponentSystem.OnUpdate () (at ./Library/PackageCache/com.unity.entities/Unity.Entities.Hybrid/Baking/BakingCompanionComponentSystem.cs:242)
Unity.Entities.SystemBase.Update () (at ./Library/PackageCache/com.unity.entities/Unity.Entities/SystemBase.cs:418)
Unity.Entities.BakingUtility.PostprocessBake (Unity.Entities.World conversionWorld, Unity.Entities.BakingSettings settings, Unity.Entities.BakingSystem bakingSystem) (at ./Library/PackageCache/com.unity.entities/Unity.Entities.Hybrid/Baking/BakingUtility.cs:173)
Unity.Entities.BakingUtility.BakeScene (Unity.Entities.World conversionWorld, UnityEngine.SceneManagement.Scene scene, Unity.Entities.BakingSettings settings, System.Boolean incremental, Unity.Entities.IncrementalBakingChangeTracker changeTracker) (at ./Library/PackageCache/com.unity.entities/Unity.Entities.Hybrid/Baking/BakingUtility.cs:86)
Unity.Scenes.Editor.LiveConversionDiffGenerator.Bake (Unity.Entities.BakingUtility+BakingFlags flags) (at ./Library/PackageCache/com.unity.entities/Unity.Scenes.Editor/LiveConversion/LiveConversionDiffGenerator.cs:189)
Unity.Scenes.Editor.LiveConversionDiffGenerator.UpdateLiveConversion (UnityEngine.SceneManagement.Scene scene, Unity.Entities.Hash128 sceneGUID, Unity.Scenes.Editor.LiveConversionDiffGenerator& liveConversionData, Unity.Scenes.LiveConversionMode mode, System.UInt64 globalAsssetDependencyVersion, UnityEditor.GUID configGUID, Unity.Entities.Build.IEntitiesPlayerSettings settingAsset, Unity.Scenes.LiveConversionChangeSet& changes) (at ./Library/PackageCache/com.unity.entities/Unity.Scenes.Editor/LiveConversion/LiveConversionDiffGenerator.cs:431)
Unity.Scenes.Editor.LiveConversionConnection.AddLiveConversionChangeSet (Unity.Scenes.Editor.LiveConversionDiffGenerator& liveConversion, Unity.Entities.Hash128 sceneGUID, System.Collections.Generic.List`1[T] changeSets, System.UInt64 globalArtifactVersion, Unity.Scenes.LiveConversionMode mode) (at ./Library/PackageCache/com.unity.entities/Unity.Scenes.Editor/LiveConversion/LiveConversionConnection.cs:404)
Unity.Scenes.Editor.LiveConversionConnection.Update (System.Collections.Generic.List`1[T] changeSets, Unity.Collections.NativeList`1[T] loadScenes, Unity.Collections.NativeList`1[T] unloadScenes, Unity.Scenes.LiveConversionMode mode) (at ./Library/PackageCache/com.unity.entities/Unity.Scenes.Editor/LiveConversion/LiveConversionConnection.cs:369)
Unity.Scenes.Editor.EditorSubSceneLiveConversionSystem.OnUpdate () (at ./Library/PackageCache/com.unity.entities/Unity.Scenes.Editor/EditorSubSceneLiveConversionSystem.cs:62)
Unity.Entities.SystemBase.Update () (at ./Library/PackageCache/com.unity.entities/Unity.Entities/SystemBase.cs:418)
Unity.Entities.ComponentSystemGroup.UpdateAllSystems () (at ./Library/PackageCache/com.unity.entities/Unity.Entities/ComponentSystemGroup.cs:723)
UnityEngine.Debug:LogException(Exception)
Unity.Debug:LogException(Exception) (at ./Library/PackageCache/com.unity.entities/Unity.Entities/Stubs/Unity/Debug.cs:17)
Unity.Entities.ComponentSystemGroup:UpdateAllSystems() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/ComponentSystemGroup.cs:728)
Unity.Entities.ComponentSystemGroup:OnUpdate() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/ComponentSystemGroup.cs:681)
Unity.Scenes.Editor.LiveConversionEditorSystemGroup:OnUpdate() (at ./Library/PackageCache/com.unity.entities/Unity.Scenes.Editor/LiveConversion/LiveConversionEditorSystemGroup.cs:15)
Unity.Entities.SystemBase:Update() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/SystemBase.cs:418)
Unity.Entities.ComponentSystemGroup:UpdateAllSystems() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/ComponentSystemGroup.cs:723)
Unity.Entities.ComponentSystemGroup:OnUpdate() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/ComponentSystemGroup.cs:681)
Unity.Entities.InitializationSystemGroup:OnUpdate() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/DefaultWorld.cs:169)
Unity.Entities.SystemBase:Update() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/SystemBase.cs:418)
Unity.Entities.DummyDelegateWrapper:TriggerUpdate() (at ./Library/PackageCache/com.unity.entities/Unity.Entities/ScriptBehaviourUpdateOrder.cs:523)

Does anyone know how to resolve this or where I might have gone wrong? Any advice or pointers would be greatly appreciated.

Thank you in advance!