+Synopsis+

I made a new project which includes: 

- Basic Simulation Environments Pack

- MARS Nav Mesh

- Unity MARS Basic Templates

- Unity MARS Platformer Template 

- Unity MARS Training Template 

- Unity MARS Tutorials

Then I created an URP Render Pipeline asset which I assigned in Graphics settings, and ran the URP material converter. This resulted in the 57 Console Messages below.  Filtering for all materials in the project reveals 3 hot pink (i.e. broken) materials listed below, which utilize Hidden/InternalErrorShader.  

See also [MARS-1454|https://jira.unity3d.com/browse/MARS-1454]. 

+How to See the Bug+

Open the repro project per link in Comments.  

Use Package Manager to install URP. 

Create an URP RP asset. 

Assign your URP RP asset in Graphics settings. 

Edit > Render Pipeline > Universal Render Pipeline > Upgrade Project Materials to URP Materials

Note Console messaged. 

Use Project view to filter all materials in the project; some are hot pink indicating breakage. 

+Configuration+

Unity 2020.3.39f1

ARF 4.1.12 

MARS 1.5.0-preview.1 

URP 10.10.0

Mac Mini M1 

+Broken Materials+

Inter-Regular SDF Material; Hidden/InternalErrorShader

Inter-Regular SDF Overlay Material; Hidden/InternalErrorShader

Liberation Sans SDF - Overlay Material; Hidden/InternalErrorShader

+Console Messages+

SimEnvironment_Accent material was not upgraded. There's no upgrader to convert MARS/Room X-Ray shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

DebugPlaneGeometry material was not upgraded. There's no upgrader to convert MARS/PlaneWithEdgeTransparent shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

CameraPreview material was not upgraded. There's no upgrader to convert Unlit/CameraPreview shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Wall material was not upgraded. There's no upgrader to convert MARS/Room X-Ray shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

EntityVisualBodySkinMaterial material was not upgraded. There's no upgrader to convert MARS/Textured Doublesided Fresnel shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Object_Evaluate material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

VisualSpriteMaterial material was not upgraded. There's no upgrader to convert Sprites/Overlay shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

PlaneSizeHandleMaterial material was not upgraded. There's no upgrader to convert Unity/Handles/GizmoSolidColor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Body Mat material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ProxyForceRegion_Touching material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Ceiling material was not upgraded. There's no upgrader to convert MARS/Room X-Ray shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

StableFresnel material was not upgraded. There's no upgrader to convert MARS/Textured Doublesided Fresnel shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

EntityVisualBodySuitMaterial material was not upgraded. There's no upgrader to convert MARS/Textured Doublesided Fresnel shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

DecalMaterial material was not upgraded. There's no upgrader to convert MARS/FaceDecalShader shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SyntheticImageMarkerMaterial material was not upgraded. There's no upgrader to convert Unlit/Transparent shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Carpet material was not upgraded. There's no upgrader to convert MARS/Room X-Ray shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

FloorVisualHighlightMaterial material was not upgraded. There's no upgrader to convert MARS/Floor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ParticleCollect_Shockwave material was not upgraded. There's no upgrader to convert MARS/Particle/Standard Unlit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimulatedPlaneMaterial material was not upgraded. There's no upgrader to convert Hidden/MARS/Synthetic Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

FloorVisualSelectedMaterial material was not upgraded. There's no upgrader to convert MARS/Floor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ProxyForceRegion_Empty material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

DistanceHandleMaterial material was not upgraded. There's no upgrader to convert Unity/Handles/GizmoSolidColor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ParticleCollect_Embers material was not upgraded. There's no upgrader to convert MARS/Particle/Standard Unlit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Object_Force_XRay material was not upgraded. There's no upgrader to convert MARS/Room X-Ray shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

LabelPanelMaterial material was not upgraded. There's no upgrader to convert Sprites/Overlay shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

LiberationSans SDF - Overlay material was not upgraded. There's no upgrader to convert Hidden/InternalErrorShader shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Floor material was not upgraded. There's no upgrader to convert MARS/Room X-Ray shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Offscreen Inside material was not upgraded. There's no upgrader to convert MARS/Particle/Standard Unlit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

PlaneDataMaterial material was not upgraded. There's no upgrader to convert Custom/TransparentPulse shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Occlusion material was not upgraded. There's no upgrader to convert MARS/AR/Mask shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

LandmarkDropTargetMaterial material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ParticleCollect_Lightning material was not upgraded. There's no upgrader to convert MARS/Particle/Standard Unlit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

DistanceHandleLineMaterial material was not upgraded. There's no upgrader to convert Unity/Handles/GizmoSolidColor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

PlaneSizeHandleLineMaterial material was not upgraded. There's no upgrader to convert Unity/Handles/GizmoSolidColor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Crystal material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Shared_Object material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ElevationHandleLineMaterial material was not upgraded. There's no upgrader to convert Unity/Handles/GizmoSolidColor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Offscreen Outside material was not upgraded. There's no upgrader to convert MARS/Particle/Standard Unlit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

EntityVisualMeshMaterial material was not upgraded. There's no upgrader to convert MARS/Textured Doublesided Fresnel shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

FloorVisualNormalMaterial material was not upgraded. There's no upgrader to convert MARS/Floor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

NoninteractableHandleMaterial material was not upgraded. There's no upgrader to convert Unity/Handles/GizmoSolidColor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

WorldScaleIconMaterial material was not upgraded. There's no upgrader to convert Sprites/Overlay shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Rug material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Suit Mat material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Glass material was not upgraded. There's no upgrader to convert MARS/Room X-Ray shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ProxyForceRegion_Occupied material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

ElevationHandleMaterial material was not upgraded. There's no upgrader to convert Unity/Handles/GizmoSolidColor shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

EntityVisualImageMarkerMaterial material was not upgraded. There's no upgrader to convert MARS/DoubleSidedUnlitTransparent shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

PointCloud material was not upgraded. There's no upgrader to convert MARS Point Cloud shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

Inter-Regular SDF Overlay Material material was not upgraded. There's no upgrader to convert Hidden/InternalErrorShader shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

PlaneDataOutlineMaterial material was not upgraded. There's no upgrader to convert Custom/TransparentPulse shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

BlankFaceMeshMaterial material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

PlaneFinding_Dots material was not upgraded. There's no upgrader to convert MARS/TriplanarSDF shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

DepthMask material was not upgraded. There's no upgrader to convert MARS/AR/Mask shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Object material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

SimEnvironment_Object_Accent material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)

UnitE material was not upgraded. There's no upgrader to convert MARS/Standard Lit shader to selected pipeline

UnityEditor.Rendering.Universal.UniversalRenderPipelineMaterialUpgrader:UpgradeProjectMaterials () (at Library/PackageCache/com.unity.render-pipelines.universal@10.10.0/Editor/UniversalRenderPipelineMaterialUpgrader.cs:25)