Crash on RemovedMaskedCurve when opening a project with specific animations

Unity: Asset Importers

Open

6.3.X

6.0.X

Fixed

6.7.X

6000.7.0a2

6.6.X

6000.6.0b3

6.5.X

6000.5.4f1

Won't Fix

6.4.X

Unity 6000.4 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

How to reproduce:
1. Open the attached “IN-144341” project
2. Observe the crash

Reproducible with: 6000.0.0b11, 6000.0.77f1, 6000.3.17f1, 6000.4.11f1, 6000.5.0b12, 6000.6.0a7

Reproduced on: Windows 11, macOS 26.5 (user reported)
Not reproduced on: No other environment tested

First few lines of the stack trace:
0x00007FFCF2C38D8D (Unity) RemovedMaskedCurve
0x00007FFCF2BE5AB4 (Unity) ModelImporter::SplitAnimationClips
0x00007FFCF2BD4270 (Unity) ModelImporter::GenerateAll
0x00007FFCF2BD6A02 (Unity) ModelImporter::GenerateAssetData
0x00007FFCF322C896 (Unity) ImportToObjects

Crash on RemovedMaskedCurve when opening a project with specific animations

Unity: Asset Importers

Open

Fixed

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

Crash on RemovedMaskedCurve when opening a project with specific animations

Unity: Asset Importers

Statuses

Open

Fixed

Won't Fix

Resolution Notes

6.4.XWon't FixUnity 6000.4 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

Description

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Have a workaround or additional info about this issue?