HDSRPTemplates throw errors

Hi, I'm using Unity 2018.3.0b10 and HDRP 4.2.0. The compiler throws exceptions after I import the HDSRPTemplates package.
Shader error in 'Hidden/Templates/HDSRPUnlit': unrecognized identifier 'SurfaceData' at /git/LittleStar/Library/PackageCache/com.unity.render-pipelines.high-definition@4.2.0-preview/Runtime/Material/BuiltinUtilities.hlsl(180) (on d3d11)
Shader error in 'Hidden/Templates/HDSRPPBR': unrecognized identifier 'SurfaceData' at /git/LittleStar/Library/PackageCache/com.unity.render-pipelines.high-definition@4.2.0-preview/Runtime/Material/BuiltinUtilities.hlsl(180) (on d3d11)
Shader error in 'Hidden/Templates/HDSRPUnlit': unrecognized identifier 'SurfaceData' at /git/LittleStar/Library/PackageCache/com.unity.render-pipelines.high-definition@4.2.0-preview/Runtime/Material/BuiltinUtilities.hlsl(180) (on d3d11)
Shader error in 'Hidden/Templates/HDSRPPBR': unrecognized identifier 'SurfaceData' at /git/LittleStar/Library/PackageCache/com.unity.render-pipelines.high-definition@4.2.0-preview/Runtime/Material/BuiltinUtilities.hlsl(180) (on d3d11)