Search Issue Tracker
Fixed
Fixed in 2.6.0
Votes
0
Found in [Package]
2.5.0
Issue ID
ADDR-3992
Regression
Yes
"The type or namespace name 'FormerlySerializedAsAttribute' could not be found" errors are thrown when "Enable JSON catalog" is enabled
Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/AddressableAssetsData/AddressableAssetSettings.asset“ asset
3. Check “Enable JSON Catalog” in the Inspector window
4. Observe the Console window
Expected result: No errors are thrown
Actual result: “Library\PackageCache\com.unity.addressables@2581a6be7421\Runtime\ResourceLocators\ContentCatalogData.cs(486,10): error CS0246: The type or namespace name 'FormerlySerializedAsAttribute' could not be found (are you missing a using directive or an assembly reference?)” errors are thrown
Reproducible with: 2.5.0 (6000.0.51f1, 6000.1.7f1, 6000.2.0b4)
Not reproducible with: 2.4.6 (6000.0.51f1, 6000.1.7f1, 6000.2.0b4)
Fixed in: 2.6.0 (6000.0.51f1, 6000.1.7f1, 6000.2.0b4)
Reproducible on: Windows 11
Not reproducible on: No other environment tested
Comments (1)
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- “Default Scene” dropdown field contains a spelling mistake “Default Builtin”
- Editor crashes on PPtr<Mesh> after adding Text Mesh and Cloth Components to the same GameObject
- Previously deleted “DefaultLookDevProfile“ is present when upgrading the Editor version
- [Ubuntu] UI text and buttons are missing spaces in Unity Version Control > New Workspace window
- "Inherit attribute is not supported" warning is shown but attributes are available in VFX Graph Output and Update blocks
whabekhan118193
Jul 23, 2025 20:32
My old account