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Fixed in 3.0.6



Found in [Package]


Issue ID




Crash when undoing the creation of 3D TMP Text GameObject that's a child inside a Prefab

Package: TextMeshPro


How to reproduce:
1. Open project ""
2. Open the "Cube" GameObject in the Prefab Mode
3. In the "Cube" Prefab Hierarchy add Canvas and 3D Text (3D Object > Text - TextMeshPro)
4. Press undo a few times and observe the result

Expected result: No crash
Actual result: Crash

Reproducible with: 3.0.6 (2021.2.0a9, 2021.2.19f1, 2021.3.5f1, 2022.1.0a11), 4.0.0-pre.4 (2022.1.0a11)
Not reproducible with: 3.0.6 (2019.4.40f1, 2020.3.36f1, 2021.2.0a8, 2022.1.0a12, 2022.1.7f1, 2022.2.0a18, 2023.1.0a1)

Reproduced on: macOS 12.4 (Intel)

- Also reproducible when using Empty GameObject instead of Canvas
- Not reproducible with non-3D TMP Text

  1. Resolution Note (fix version 3.0.6):

    Fixed in: 3.0.6 (2022.1.0a12)

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