Error "NullReferenceException" is thrown when making a Prefab from a Camera that has another Camera in its Stack

Steps to reproduce:
1. Open the “IN-23258” project
2. Open the “SampleScene” Scene (Assets → Scenes)
3. Select “Camera” GameObject in the Hierarchy
4. Add the “Camera (1)” GameObject to a Stack in the Inspector
5. Make “Camera” GameObject a Prefab (Drag it to the Assets folder)
6. Observe the Console

Expected result: One warning occurs.
Actual result: Many “NullReferenceException: Object reference not set to an instance of an object” errors are thrown.

Reproducible with: 2021.3.16f1, 2022.2.1f1, 2023.1.0a21
Could not test with: 2020.3.43f1 (Stack does not exist)

Reproduced on: macOS Ventura 13.0.1 Intel