2022.2 has reached its end-of-support, we will track this issue in the 2022.3 LTS branch.
Reproduction steps:
1. Open the attached project “ColiderMaterialBug“
2. Open the Scene “Assets/SampleScene”
3. Select the Sphere Prefab “Assets/Sphere”
4. Enter the Play Mode
5. Observe the Sphere Collider Material
Expected result: An error is thrown in the Console Window
Actual result: Sphere Collider Material is set to null