Reproduction steps:
1. Open the attached “LC_Test_23_1.zip“ project
2. Open “Main” scene
3. Enter Play mode and move Player GameObject to the tombs
4. Observe the Game window

Expected result: “Alcove - Light - Inner” and “Alcove - Light - Outer” GameObjects are illuminated
Actual result: “Alcove - Light - Inner” and “Alcove - Light - Outer” GameObjects are not illuminated and flicker when the Player GameObject passes them

Reproducible with: 2023.1.0b5
Not reproducible with: 2023.1.0b7, 2023.2.0a5
Could not test with: 2020.3.46f1, 2021.3.20f1, 2022.2.9f1 (Due to errors in the Console window)
Fixed in: 2023.1.0b6

Reproduced on: macOS Monterey 12.6 (Intel)

Note: Also reproducible in Build