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Fixed in 2022.2.X

Fixed in 2020.3.X, 2021.2.X, 2022.1.X



Found in





Issue ID




[Particles] Inspector breaks and errors are thrown when the Material field is deleted from the Particle System

Visual Effects - Legacy


How to reproduce:
1. Open the user's attached "ParticleMaterials" project
2. Open the "SampleScene" Scene
3. Select the "Particle System" GameObject
4. Enable the "Trails" module in the Inspector
5. Select "Renderer -> Material" in the Inspector
6. Click Ctrl + Delete (Cmd + Delete on MacOS) on keyboard device
7. Repeat the 5th and 6th steps
8. Observe the Editor

Expected result: The Material field doesn't get deleted after the 7th step
Actual result: The Inspector breaks and "InvalidOperationException: The operation is not possible when moved past all properties (Next returned false)" error is thrown

Reproducible with: 2020.3.19f1, 2020.3.23f1, 2021.2.0b9, 2021.2.3f1, 2022.1.0a4, 2022.1.0a15
Not reproducible with: 2019.4.32f1, 2020.3.0f1, 2020.3.18f1, 2021.2.0a1, 2021.2.0b8, 2022.1.0a1, 2022.1.0a3

  1. Resolution Note (fix version 2022.2):

    Fixed in 2022.2.0a1

  2. Resolution Note (fix version 2022.1):

    Fixed in 2022.1.0b5

  3. Resolution Note (fix version 2021.2):

    Fixed in 2021.2.8f1

  4. Resolution Note (fix version 2020.3):

    Fixed in 2020.3.27f1

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