Cancelling this 2023.2 tech release issue since the support for this release has come to end of life. Cancelling this 2023.2 port case does not affect any LTS or Unity 6 Beta/Preview that remain open.
How to reproduce:
1. Download and open the attached project
2. In the Project window, select the "New Test Container" asset
3. In the Inspector window, press the "Add Object" button
4. Observe the Console window
Expected outcome: No errors appear
Actual outcome: A NullReferenceException is thrown