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Fixed in Unity 2019.1



Found in

Issue ID




Copying import settings on a fbx from a Preset made from another fbx may mismatch asset indexes and loose references.

Graphics - General



Priority: 3Not yet prioritized for a release


Severity: 3Secondary functionality broken

Certain import settings with presets cause missing references in prefab and scene :

Reproduction Steps:

2018.2, start new 3D project with extras

In the project view go to ExampleAssets > models > brush
Create a Preset from the brush model using the top right Preset button.
Select the Construction Light model
Apply the previously created Preset using the to right Preset button
Click Apply

Notice construction light disappears in the scene.
Select the transforms and notice linked meshs are either missing or wrong.

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