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Fixed in 2020.2

Fixed in 2020.1

Votes

0

Found in

2020.2.0a17

Issue ID

1259700

Regression

Yes

ArgumentException thrown while switching the Prefab stage a newly create base Prefab but discarding changes

Scene Management

-

Steps:
1. Add Cube to Hierarchy and make a prefab out of it
2. Switch to InContext mode from the Cube's instance
3. Turn off AutoSave feature
4. Drag the root to the ProjectBrowser and Choose "Create Base"
==>
Cube is marked as dirty
5. Switch to InContext from it
==>
Confirmation window appears
6. Choose "Discard changes"
==>
Error while changing Stage: System.ArgumentException: GameObject must be part of a Prefab instance, or null.
Parameter name: go

Not repro in Version 2019.4.1f1 (73dc222d7c2f)
Repro in Version: 2020.1.0b15.4091 (d3c43f82ffc4)

  1. Response avatar

    Resolution Note (fix version 2020.1):

    Fixed in 2020.1.2f1

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