SerializedObjectNotCreatableException: Object at index 0 is null on every scene initialization in CollectSources2dEditor and NavMeshSurfaceEditor

[DataGreed]

I get the following errors every time I start the project with CollectSources2d and NavMeshSurface added to gameobject in the root of the Scene:

SerializedObjectNotCreatableException: Object at index 0 is null
UnityEditor.Editor.CreateSerializedObject () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Inspector/Editor.cs:698)
UnityEditor.Editor.GetSerializedObjectInternal () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Inspector/Editor.cs:670)
UnityEditor.Editor.get_serializedObject () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Inspector/Editor.cs:564)
NavMeshPlus.Extensions.Editors.CollectSources2dEditor.OnEnable () (at ./Library/PackageCache/com.h8man.2d.navmeshplus@3291e121ab/NavMeshComponents/Editor/CollectSources2dEditor.cs:16)

SerializedObjectNotCreatableException: Object at index 0 is null
UnityEditor.Editor.CreateSerializedObject () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Inspector/Editor.cs:698)
UnityEditor.Editor.GetSerializedObjectInternal () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Inspector/Editor.cs:670)
UnityEditor.Editor.get_serializedObject () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Inspector/Editor.cs:564)
NavMeshPlus.Components.Editors.NavMeshSurfaceEditor.OnEnable () (at ./Library/PackageCache/com.h8man.2d.navmeshplus@3291e121ab/NavMeshComponents/Editor/NavMeshSurfaceEditor.cs:65)

[h8man]

Version of Unity?

[DataGreed]

@h8man sorry, forgot to include it. It's 2022.3.30f1 , the previous LTS one