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Fixed in 2018.1.X

Fixed in 2017.3.X, 2017.4.X



Found in


Issue ID




'kValidSceneObjectIdentifier == res' assert after selecting a prefab and its preview window is visible

Scene/Game View


The bug still occurs in trunk Unity 2018.1.0a1 #3622 8e2bcab90b4e on windows and mac platform

Steps to reproduce:

1. Open attached project
2. Select 'Assets/Props/barrel_pile' prefab

Additional steps:
3. Close preview window
4. Deselect and reselect prefab - assertion is gone

Reproduced with: 2017.3.0b1, 2017.3.0b3
Not reproducible: 2017.2.0f2, 2017.3.0a7

Regression introduced in: 2017.3.0b1

Steps to reproduce the error from scratch:
1) Create a empty GameObject in Hiearchy
2) Create two cubes as a child of empty GameObject
3) Drag the GameObject to Project tab to convert it to a prefab
4) In Project tab, mark the prefab as `Lightmap static`
5) In Hierachy, duplicate the GameObject
6) Drag the duplicated GameObject to Project folder
7) Observe the `Assertion failed: Assertion failed on expression: 'kValidSceneObjectIdentifier == res'` asserts in console

Comments (11)

  1. Nerzal

    Nov 08, 2017 15:52

    I still have that Issue in Unity 2017.3.0b8

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