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Fixed in Any (fix is in Editor)

Votes

0

Found in [Package]

10.1.0

Issue ID

1321411

Regression

Yes

Crash on Terrain::UpdateSplatMaterials when removing Universal RP package with Terrain Lit material

Package: Scriptable Render Pipeline Universal

-

How to reproduce:
1. Open the attached project from "URPpackageCrash.zip"
2. Open scene "PolarScene"
3. Using Package Manager, remove the "Universal RP" package

Expected result: Package is removed
Actual result: Unity crashes

Reproducible with: 2020.2.0b9, 2020.3.2f1, 2021.1.0f1, 2021.2.0a10 (Universal RP 10.1.0-12.0.0)
Not reproducible with: 2018.4.33f1, 2019.4.23f1, 2020.2.0b8 (Universal RP 7.0.0-10.0.0-preview.26)

First lines of stack trace:
0x00007ff6357151a9 (Unity) Terrain::UpdateSplatMaterials
0x00007ff63571fd8c (Unity) TerrainManager::CullAllTerrains
0x00007ff63443a27a (Unity) Camera::CustomCull
0x00007ff636657536 (Unity) Camera::RenderEditorCamera
0x00007ff636ee136c (Unity) Handles_CUSTOM_Internal_DrawCameraWithGrid
0x0000013f126377db (Mono JIT Code) (wrapper managed-to-native) UnityEditor.Handles:Internal_DrawCameraWithGrid

Notes:
1. Removing terrain "SnowGround" from Hierarchy resolves the issue
2. Seems to be related to the terrain's material, only reproduces with "Terrain Lit"

  1. Resolution Note (fix version Any (fix is in Editor)):

    Removed code that skipped initialization on null material.
    FIxed in 2021.2.0a20

  2. Resolution Note (fix version Any (fix is in Editor)):

    Fixed in 2021.1.14f1

  3. Resolution Note:

    Fixed in 2020.3.14f1

    PR here: https://ono.unity3d.com/unity/unity/pull-request/123468/_/2020.3/terrain/srpremovalcrash

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