How to reproduce:
1. Open the attached “IN-110677.zip” project
2. Switch to the Android Build Profile (File > Build Profiles > Platforms)
3. Ensure the Display Probes option is enabled in the Rendering Debugger window (Rendering Debugger > Probe Volumes > Probe Visualization)
4. Open the Lighting window
5. Create a new Lighting Settings Asset
6. Click the “Generate Lighting” button
7. Observe the console
Expected result: Console window remains clear throughout the baking process
Actual result: 10-300 "Look rotation viewing vector is zero" messages appear after baking is complete
Reproducible in: 6000.2.0f1, 6000.3.0a5
Not reproducible in: 6000.0.55f1
Reproducible on: Windows 11 (Radeon 780M, Radeon RX 6800XT)
Not reproducible on: Windows 11 (RTX 3050 Ti Laptop, RTX 3080 Ti Laptop)
Notes:
- Reproduction is not very consistent
- Reproduces with both CPU and GPU Lightmappers