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Fixed in 2021.2.X

Votes

2

Found in

2020.2

2021.1

2021.1.0b4

2021.2

Issue ID

1310681

Regression

No

UV unwrap failed with ASCII-format FBX file when GenerateLightmapUVs is set to true and Margin Method set to Calculate

Progressive Lightmapper

-

Reproduction steps:
1. Open the attached project "Case_FBXMarginMethod.zip"
2. Select "st_99_99" fbx file in the Project view folder
3. Enable GenerateLightmapUVs in the Inspector window
4. Change the Margin Method to Calculate

Expected result: Model does not disappear
Actual result: Model disappears and UV unwrap failed error is thrown

Reproducible with: 2020.2.4f1, 2021.1.0b7, 2021.2.0a3
Not reproducible with: 2021.2.0a4, 2021.2.0a6
Could not test (no Margin Method) - 2018.4, 2019.4

  1. Resolution Note (fix version 2021.2):

    Fixed in: 2021.2.0a4

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