"ArgumentNullException: Value cannot be null." occured if "Enter Play Mode Setting" is checked.

Unity Engine
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1

Hello, if I check Enter Play Mode Setting Options On to avoid reloading domain, there will be an error like:

ArgumentNullException: Value cannot be null.
Parameter name: mesh
UnityEngine.Rendering.CommandBuffer.DrawMesh (UnityEngine.Mesh mesh, UnityEngine.Matrix4x4 matrix, UnityEngine.Material material, System.Int32 submeshIndex, System.Int32 shaderPass, UnityEngine.MaterialPropertyBlock properties) (at <10871f9e312b442cb78b9b97db88fdcb>:0)
UnityEngine.Rendering.CommandBuffer.DrawMesh (UnityEngine.Mesh mesh, UnityEngine.Matrix4x4 matrix, UnityEngine.Material material, System.Int32 submeshIndex, System.Int32 shaderPass) (at <10871f9e312b442cb78b9b97db88fdcb>:0)
UnityEngine.Rendering.CommandBuffer.DrawMesh (UnityEngine.Mesh mesh, UnityEngine.Matrix4x4 matrix, UnityEngine.Material material, System.Int32 submeshIndex) (at <10871f9e312b442cb78b9b97db88fdcb>:0)
UnityEngine.Rendering.CommandBuffer.DrawMesh (UnityEngine.Mesh mesh, UnityEngine.Matrix4x4 matrix, UnityEngine.Material material) (at <10871f9e312b442cb78b9b97db88fdcb>:0)
UnityEngine.XR.ARFoundation.ARBackgroundRendererFeature+ARCameraBackgroundRenderPass.Execute (UnityEngine.Rendering.ScriptableRenderContext context, UnityEngine.Rendering.Universal.RenderingData& renderingData) (at ./Library/PackageCache/com.unity.xr.arfoundation@5.0.7/Runtime/ARFoundation/ARBackgroundRendererFeature.cs:162)
UnityEngine.Rendering.Universal.ScriptableRenderer.ExecuteRenderPass (UnityEngine.Rendering.ScriptableRenderContext context, UnityEngine.Rendering.Universal.ScriptableRenderPass renderPass, UnityEngine.Rendering.Universal.RenderingData& renderingData) (at ./Library/PackageCache/com.unity.render-pipelines.universal@14.0.8/Runtime/ScriptableRenderer.cs:1490)
UnityEngine.Rendering.Universal.ScriptableRenderer.ExecuteBlock (System.Int32 blockIndex, UnityEngine.Rendering.Universal.ScriptableRenderer+RenderBlocks& renderBlocks, UnityEngine.Rendering.ScriptableRenderContext context, UnityEngine.Rendering.Universal.RenderingData& renderingData, System.Boolean submit) (at ./Library/PackageCache/com.unity.render-pipelines.universal@14.0.8/Runtime/ScriptableRenderer.cs:1446)
UnityEngine.Rendering.Universal.ScriptableRenderer.Execute (UnityEngine.Rendering.ScriptableRenderContext context, UnityEngine.Rendering.Universal.RenderingData& renderingData) (at ./Library/PackageCache/com.unity.render-pipelines.universal@14.0.8/Runtime/ScriptableRenderer.cs:1222)
UnityEngine.Rendering.Universal.UniversalRenderPipeline.RenderSingleCamera (UnityEngine.Rendering.ScriptableRenderContext context, UnityEngine.Rendering.Universal.CameraData& cameraData, System.Boolean anyPostProcessingEnabled) (at ./Library/PackageCache/com.unity.render-pipelines.universal@14.0.8/Runtime/UniversalRenderPipeline.cs:657)

UnityEngine.Rendering.Universal.UniversalRenderPipeline.RenderCameraStack (UnityEngine.Rendering.ScriptableRenderContext context, UnityEngine.Camera baseCamera) (at ./Library/PackageCache/com.unity.render-pipelines.universal@14.0.8/Runtime/UniversalRenderPipeline.cs:823)
UnityEngine.Rendering.Universal.UniversalRenderPipeline.Render (UnityEngine.Rendering.ScriptableRenderContext renderContext, System.Collections.Generic.List1[T] cameras) (at ./Library/PackageCache/com.unity.render-pipelines.universal@14.0.8/Runtime/UniversalRenderPipeline.cs:368) UnityEngine.Rendering.RenderPipeline.InternalRender (UnityEngine.Rendering.ScriptableRenderContext context, System.Collections.Generic.List1[T] cameras) (at <10871f9e312b442cb78b9b97db88fdcb>:0)
UnityEngine.Rendering.RenderPipelineManager.DoRenderLoop_Internal (UnityEngine.Rendering.RenderPipelineAsset pipe, System.IntPtr loopPtr, UnityEngine.Object renderRequest, Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle safety) (at <10871f9e312b442cb78b9b97db88fdcb>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)

As console shows, “AR background render feature” causes the error.
If I uncheck the “Enter Play Mode Setting”, it’ll be OK.

How can I fixed it if I don’t want to reload domain? Thanks!

2

XR Simulation currently requires that you reload the domain when you enter play mode. No updates to share on this but we understand that this can be a pain point in large projects.