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Fixed
Votes
0
Found in
2018.4
2018.4.15f1
2019.2
2019.3
2020.1
Issue ID
1212891
Regression
No
Errors are thrown after deleting the prefab from project window, adjusting the missing prefab in hierarchy, converting to prefab
How to reproduce:
1. Open attached project "PrefabError.zip" and scene "SampleScene"
2. In Hierarchy window, make "CubePrefab" a prefab by dragging it to Project window
3. In Project window, delete the "CubePrefab" (In Hierarchy window, "CubePrefab" turns missing/red)
4. In Hierarchy window, expand the "CubePrefab" object
5. Unchild CylinderChild object by dragging it out (the "CubePrefab" with its children turns gray)
6. Repeat step 2
7. Observe Console window
Expected result: no errors are thrown
Actual result: the following errors are thrown:
AssetImporter is referencing an asset from the previous import. This should not happen.
Assertion failed on expression: '!GetPersistentManager().IsStreamLoaded(metaDataPath)'
Asset import did not unload metadata path. This will leak memory. File a bug with repro steps please. (Assets/Scenes/CubePrefab.prefab)
Reproducible with: 2018.4.16f1, 2019.2.19f1, 2019.3.0f5, 2020.1.17f1
Not reproducible with: 2020.3.0f1 2021.1.0b11, 2021.2.0a8
Not reproducible with: 2017.4 (old prefab system)
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Resolution Note:
Fixed in 2020.3.0f1