"Kernel 'KMain' not found" errors appear when using the "Screen Space Reflections" Post-Processing effect in a specific WebGL project

How to reproduce:
1. Open the attached “IN-99437” project
2. Open the “3D_Test” Scene
3. In the Hierarchy window select the “Main Camera” (3D-SpatialAgent → Scene → 3D-Cursor → Main Camera) GameObject
4. In the Inspector window “Post-Process Volume” component make sure the “Screen Space Reflections” option is enabled
5. Observe the Console window

Expected result: No errors appear
Actual result: 2 “Kernel ‘KMain’ not found” errors appear

Reproducible with: 2022.1.0b13, 2022.3.61f1, 6000.0.47f1, 6000.1.0f1, 6000.2.0a3
Not reproducible with: 6000.2.0a9
Could not test with: 2022.1.0a1(Post-Processing components not working)
Fixed in: 6000.2.0a4

Reproducible on: Windows 11, macOS 15.3.2 (Sequioa) (User)
Not reproducible on: No other environments tested

Note:

• Not reproducible when the platform is set to macOS, Windows
• Reproducible when the platform is set to WebGL