Reproduction steps:
1. Open the “ReproProject“ project
2. Open the Lighting window (Window > Rendering > Lighting)
3. Press the “Generate Lighting” button in the Lighting window
4. Observe the Console window

Expected result: No errors are thrown in the Console window
Actual result: “System.NullReferenceException: Object reference not set to an instance of an object“ error is thrown in the Console window

Reproducible with: 6000.0.0b13
Couldn’t test with: 2021.3.36f1, 2022.3.22f1, 2023.2.16f1 (due to Adaptive Probe Volumes feature not existing)

Reproducible on: Windows 11 Pro (22H2)
Not reproducible on: No other environment tested

Note: If both Scenes “Scene1” and “Scene2” are loaded, the issue does not reproduce