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Postponed means that the issue was either a feature request or something that requires major refactoring on our side. Since that makes the issue not actionable in the close future we choose to close it as Postponed and add it on our internal roadmaps and technical debt pages instead.

Postponed

Votes

15

Found in

2019.2.0b7

2019.2.2f1

2019.3.0a7

2020.1.0a1

Issue ID

1183965

Regression

No

"Identifier uniqueness violation" warning pops up when adding multiple MonoBehaviour to model prefab root via AssetPostprocesso

Asset Importers

-

How to reproduce:
1. Open attached Unity project
2. Reload "MyCustomModel" asset

Result: Warning appears:
Identifier uniqueness violation: 'Name://RootNode, Type:MonoBehaviour'. Multiple Objects with the same name/type are generated by this Importer. There is no guarantee that subsequent imports of this asset will properly re-link to these targets.

Reproduced with: 2019.2.7f1, 2019.3.0b5, 2020.1.0a5.
Not reproduce with: 2017.4.32f1, 2018.4.10f1.
(Note: It was not reproducible before because the warning just didn't exist. The bug was always there)

How to see expected behavior:
1. Open CustomModelImport.cs script
2. Remove 11 or 12 line
3. Reimport model

Result: There is no warning in a Console window

  1. Response avatar

    Resolution Note:

    It's a problem in our design, we only take C++ type, so all MonoBehaviours to us is of same type. We would like to fix it, but there is no real way of fixing it without breaking backwards compatibility for all projects. We're tracking it in our internal system.

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