On creating a new HDRenderPipelineAsset from selecting Fix All button in the HD Render Pipeline Wizard causes Editor to throw NullReferenceException when Scriptable Render Pipeline is set to none in the Graphics Project Settings, Refer attached video.

Steps to repro:
1. Create a new project with HDRP Template
3. Edit > Project Settings > Graphics > Scriptable Render Pipeline Settings > None
4. Window > Render Pipeline > HD Render Pipeline Wizard
5. HDRP > Fix All > Create or Load HDRenderingPipelineAsset > Create One
6. Changing editor Graphics device > Not now

Actual Result:
NullReferenceException is thrown on creating new HDRenderPipelineAsset in the HD Render Pipeline Wizard

Expected Result:
New HDRenderingPipelineAsset is created gracefully

Reproducible in:
2020.2.0b9, 2020.2.0b6 with Package version 10.1.0, 10.0.0-preview.27

Working fine:
2021.1.0a2, 2020.2.0b5, 2020.1.11f1 with Package Version 9.0.0-preview.54, 8.2.0, 8.1.0

Environment:
Windows10 and macOS 10.15

Stack trace:
NullReferenceException: Object reference not set to an instance of an object
UnityEngine.Rendering.HighDefinition.DecalSystem+DecalSet.InitializeMaterialValues () (at library/packagecache/com.unity.render-pipelines.high-definition@10.1.0/runtime/material/decal/decalsystem.cs:383)
UnityEngine.Rendering.HighDefinition.DecalSystem+DecalSet..ctor (UnityEngine.Material material) (at library/packagecache/com.unity.render-pipelines.high-definition@10.1.0/runtime/material/decal/decalsystem.cs:445)
UnityEngine.Rendering.HighDefinition.DecalSystem.AddDecal (UnityEngine.Material material, UnityEngine.Rendering.HighDefinition.DecalProjector+CachedDecalData data) (at library/packagecache/com.unity.render-pipelines.high-definition@10.1.0/runtime/material/decal/decalsystem.cs:962)
UnityEngine.Rendering.HighDefinition.DecalProjector.OnEnable () (at library/packagecache/com.unity.render-pipelines.high-definition@10.1.0/runtime/material/decal/decalprojector.cs:329)
UnityEditor.EditorApplication:Internal_CallUpdateFunctions()