NullReferenceException is thrown when adding a Blur Renderer Feature

Reproduction steps:
1. Open the attached “IN-85616.zip” project
2. Select the “URP Renderer” from the Project Window (Assets > Settings)
3. In the Inspector enable the “Blur Renderer Feature”
4. Observe the Console

Expected result: No exceptions are thrown
Actual result: “NullReferenceException: Object reference not set to an instance of an object.” exceptions are constantly thrown

Reproducible with: 6000.0.22f1
Couldn’t test with: 2021.3.44f1, 2022.3.49f (RenderGraph is not supported)

Reproducible on: Windows 11
Not reproducible on: No other environment tested

Note:

• The Renderer Feature was created following the documentation: https://docs.unity3d.com/6000.0/Documentation/Manual/urp/renderer-features/create-custom-renderer-feature.html