ArgumentNullException errors are thrown on disabling "Big Tile Prepass" under Light Loop debug in HDRP Default Settings.

Steps to repro:
1. Create a new HDRP template project.
2. Edit > Project Settings > HDRP Default Settings.
3. Light Loop Debug > Deferred Tile > Disable checkbox.

Actual Result:
ArgumentNullException errors are thrown in the console.

Expected Result:
No errors in the console.

Reproducible in:
2020.2.0a12, 2020.1.0b9, 2020.1.0a23 with Package version: 9.0.0.

Working Fine in:
2020.2.0a12, 2020.1.0b9 with Package version: 8.0.1

Environment:
Occurring only on Windows 10.

Stacktrace:
ArgumentNullException: Value cannot be null.
Parameter name: _unity_self
UnityEngine.Rendering.HighDefinition.HDRenderPipeline.ClearLightList (UnityEngine.Rendering.HighDefinition.HDRenderPipeline+BuildGPULightListParameters& parameters, UnityEngine.Rendering.CommandBuffer cmd, UnityEngine.ComputeBuffer bufferToClear) (at library/packagecache/com.unity.render-pipelines.high-definition@9.0.0-preview.13/runtime/lighting/lightloop/lightloop.cs:2926)
UnityEngine.Rendering.HighDefinition.HDRenderPipeline.ClearLightLists (UnityEngine.Rendering.HighDefinition.HDRenderPipeline+BuildGPULightListParameters& parameters, UnityEngine.Rendering.HighDefinition.HDRenderPipeline+BuildGPULightListResources& resources, UnityEngine.Rendering.CommandBuffer cmd) (at library/packagecache/com.unity.render-pipelines.high-definition@9.0.0-preview.13/runtime/lighting/lightloop/lightloop.cs:2941)
UnityEngine.Rendering.HighDefinition.HDRenderPipeline.BuildGPULightListsCommon (UnityEngine.Rendering.HighDefinition.HDCamera hdCamera, UnityEngine.Rendering.CommandBuffer cmd) (at library/packagecache/com.unity.render-pipelines.high-definition@9.0.0-preview.13/runtime/lighting/lightloop/lightloop.cs:3578)
UnityEngine.Rendering.HighDefinition.HDRenderPipeline.BuildGPULightLists (UnityEngine.Rendering.HighDefinition.HDCamera hdCamera, UnityEngine.Rendering.CommandBuffer cmd) (at library/packagecache/com.unity.render-pipelines.high-definition@9.0.0-preview.13/runtime/lighting/lightloop/lightloop.cs:3592)
UnityEngine.Rendering.HighDefinition.HDRenderPipeline.ExecuteRenderRequest (UnityEngine.Rendering.HighDefinition.HDRenderPipeline+RenderRequest renderRequest, UnityEngine.Rendering.ScriptableRenderContext renderContext, UnityEngine.Rendering.CommandBuffer cmd, UnityEngine.Rendering.HighDefinition.AOVRequestData aovRequest) (at library/packagecache/com.unity.render-pipelines.high-definition@9.0.0-preview.13/runtime/renderpipeline/hdrenderpipeline.cs:2295)
UnityEngine.Rendering.HighDefinition.HDRenderPipeline.Render (UnityEngine.Rendering.ScriptableRenderContext renderContext, UnityEngine.Camera[] cameras) (at library/packagecache/com.unity.render-pipelines.high-definition@9.0.0-preview.13/runtime/renderpipeline/hdrenderpipeline.cs:1811)
UnityEngine.Rendering.RenderPipeline.InternalRender (UnityEngine.Rendering.ScriptableRenderContext context, UnityEngine.Camera[] cameras) (at <f79f93327fd6489ab9add787b6af0b86>:0)
UnityEngine.Rendering.RenderPipelineManager.DoRenderLoop_Internal (UnityEngine.Rendering.RenderPipelineAsset pipe, System.IntPtr loopPtr, Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle safety) (at <f79f93327fd6489ab9add787b6af0b86>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)