Steps to reproduce:

1. Open the attached project
2. Open Project Auditor window Window -> Analysis -> Project Auditor
3. Dock the Project Auditor window
4. Double-click on the Project Auditor window to Maximise it
5. Exit maximised mode and check the Console window

Actual results: The Invalid editor window of type Error is thrown each time the window is maximised

Expected results: No errors or warnings are thrown when maximising the Project Auditor window

Reproducible with versions: 6000.4.0a2, 6000.4.0a5, 6000.5.0a1

Not reproducible with versions: 6000.2.12f1(1.0.2), 6000.3.0f1,(1.0.2) 6000.4.0a1(1.0.2)

Tested on (OS): macOS 26.1, Ubuntu 24, Windows 11

Notes:

• Project Auditor became a built-in package in 6000.4.0a2

Full error message:
*
{quote}Invalid editor window of type: UnityEditor.FallbackEditorWindow, title: Failed to load
UnityEditor.EditorApplication:Internal_CallDelayFunctions () (at /Users/bokken/build/output/unity/unity/Editor/Mono/EditorApplication.cs:416)
{quote}