Error and the warnings are thrown on importing the Production Ready Shaders sample

How to reproduce:
1. Create a new URP project
2. In the Package Manager, select the Shader Graph package -> Samples -> Production Ready Shaders -> Import
3. Observe the Console

Expected results: No errors or warnings are thrown into the Console
Actual results: There is an error and a few warnings thrown into the Console

Reproducible with: 6000.0.11f1
Not reproducible with: 2022.3.38f1
Can't test with: 2021.3.40f1 (No Production Ready Shaders)

Note: Production Ready Shaders are not available in many versions, can't find a regression