How to reproduce:
1. Create a new Unity project using 3D Sample Scene (HDRP)
2. Go to Package Manager
3. In the Package Manager select "High Definition PR" package
4. Find and select the "Samples" tab
5. In the "Samples" tab find "Material Samples" and import it
6. After the import is finished observe the Console window

Expected result: No errors are thrown in the Console window
Actual result: Errors are thrown in the Console window "Failed to register profile 'ScleraDiffusionProfile 250mm'. You have reached the limit of 15 custom diffusion profiles in HDRP's Global Settings Default Volume.", "Failed to register profile 'IrisDiffusionProfile 250mm'. You have reached the limit of 15 custom diffusion profiles in HDRP's Global Settings Default Volume."

Reproducible with: 14.0.3 (2022.2.0b4, 2022.2.0b15), 15.0.1 (2023.1.0a20)
Not reproducible with: 10.10.1 (2020.3.42f1), 12.1.8 (2021.3.14f1), 13.1.8 (2022.1.22f1)
Could not test with: 2022.2.0a1 - 2022.2.0b3 (template project is broken, pink textures or project crashes)

Reproducible on: macOS Monterey 12.3.1 (Apple M1 Max), Windows 10