Steps to reproduce:

1. Create a High Definition 3D Project
2. In the Project Browser create a Lit HDRP Shader Graph and open it
3. In the Graph Inspectors Graph Settings Panel add an Active Target "Built-In"
4. In the Built-In Active Targets Settings below change "Material" to "Canvas"

Actual results: Error "Two properties with the same reference name (_StencilWriteMask) produce different HLSL properties
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()" is logged in the Console

Expected results: No Error is printed

Reproducible with versions:  2023.2.0a16, 2023.2.20f1, 6000.0.11f1

Not reproducible with versions: 2021.3.40f1, 2022.3.38f1, 2023.2.0a15 (Built-In Target has no Canvas Sub Target)

Tested on (OS): Windows 10/11