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Fixed in 2021.1.X

Duplicate in 2020.3.X



Found in




Issue ID




Inspector throws errors and stops displaying fields when changing SerializeReference instance with UnityEvent field of same name

Inspector Framework


How to reproduce:
1. Open the attached project
2. Open SampleScene
3. Click on Test in the Scene Hierarchy
4. Click Change To My Class 1
5. Click Change To My Class 2

Expected result: SerializeReference class is changed and the same fields are displayed in the inspector
Actual result: Errors are thrown to the Console and Inspector stops displaying fields

Reproducible with: 2020.1.0a1, 2020.2.5f1, 2021.1.0b6, 2021.2.0a1, 2021.2.0a3
Not reproducible with: 2019.4.19f1, 2021.1.0b7, 2021.2.0a4
Could not test with: 2018.4.30f1 (no Serialize Reference attribute)

1. Unity 2019.4.19f1 Inspector does not display Unity Event fields at all
2. Unity 2020.1.0a1 Clicking on the object will cause a Fatal Error
3. Unity 2021.2.0a3 will crash on start

  1. Resolution Note (fix version 2021.1):

    Does no longer reproduce with: 2021.1.0b7, 2021.2.0a4

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