Question Measured Materials pack output parameter error

I'm getting errors like this one when using materials from the Measured Materials pack:

Shader error in 'Shader Graphs/MetalAnisotropy': 'GetAmbientOcclusionFactor': output parameter 'aoFactor' not completely initialized at /Users/.../Library/PackageCache/com.unity.render-pipelines.high-definition@6.9.1-preview/Runtime/Material/StackLit/StackLit.hlsl(67) (on d3d11)

I never used Shader Graph. How can I workaround this?

Unity 2019.2.5f1
High Definition RP preview-6.9.1
Shader Graph 6.9.1
Measured Materials 1.0

 

Somehow, StackLit.hlsl was missing this line: https://github.com/Unity-Technologi...n/Runtime/Material/StackLit/StackLit.hlsl#L72