Some "Dragon Crashers" Materials can't be previewed and don't have an icon

How to reproduce:

1. Import the "Dragon Crashers" sample into Unity
2. In the project window navigate to Assets -> Art -> Ul -> Banner
3. Observe the "Mat_Ul_BannerWave_L" and "Mat_Ul_BannerWave_R" Materials

Expected results: The Materials have a preview in the Project window and can be observed in the Inspector
Actual results: The Materials have an empty icon in the Project window and an empty preview in the Inspector

Reproducible with: 6000.0.9f1
Not reproducible with: 2021.3.40f1, 2022.3.36f1

Reproducible on: macOS Sonoma 14.5 (Apple Silicon)

Notes:
-Can't find a regression point due to the inconsistencies and various warnings in URP
-The Material is still working