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Fixed in 2021.2.X



Found in




Issue ID




Material Inspector of Sprite throws "Assertion failed" exceptions when SpriteAtlas V1 is in use

Inspector Framework


How to reproduce:
1. Open the user's attached project
2. Open scene AltasTest
3. Make sure that Sprite Packer Mode is set to "Sprite Atlas V1 - Always Enabled" in the Project Settings (Edit -> Project Settings -> Editor -> Sprite Packer -> Mode)
4. Press the Play button
5. Observe the Console
6. In the Hierarchy window, select the GameObject "01_Meteor0009"
7. In the Inspector view, expand the Material Inspector of the Sprites-Default Material by clicking the triangle icon next to the Component name
8. Observe the Console

Expected result: no exceptions are thrown to the Console
Actual result: "Assertion failed on expression: 'request.key.guid.IsValid()'" is thrown to the Console

Reproducible with: 2020.3.10f1, 2020.3.18f1, 2021.1.3f1, 2021.1.22f1
Not reproducible with: 2019.4.30f1, 2020.3.9f1, 2021.1.2f1, 2021.2.0a1, 2021.2.0b12, 2022.1.0a9

  1. Response avatar

    Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a1

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