I'm getting this runtime error when pressing Play:
A PreviewRenderUtility was not clean up properly before assembly reloading which lead to leaking this scene in the Editor. This can be caused by not calling Cleanup() during the OnDisable of an Editor or an EditorWindow.
UnityEditor.PreviewRenderUtility:Finalize ()
This happens whenever one of the asset generated by pressing "Create Animation Reference Asset" is selected in the inspector while pressing Play.
Unity: 2021.1.7
Spine: 3.8-2021-05-14
