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Third Party Issue
Unknown (hidden) 2021.3.X, 2022.1.X, 2022.2.X, 2023.1.X
Votes
0
Found in
2021.3.10f1
2022.1.17f1
2022.2.0b9
2023.1.0a12
Issue ID
UUM-14820
Regression
No
SerializedObjectNotCreatableException when saving after exiting Play Mode
How to reproduce:
1. Open the attached “TestingProject2” project
2. Open scene "Assets/CharlieMadeAThing/NeatoTags/Demo/Scenes/DemoScene"
3. Select “Human” in the Hierarchy
4. Enter Play Mode
5. Exit Play Mode
6. Select “File” → “Save” in the main menu bar
7. Observe the Console
Expected result: No errors appear
Actual result: “SerializedObjectNotCreatableException: Object at index 0 is null” error appears
Reproducible with: 2021.3.10f1, 2022.1.17f1, 2022.2.0b9, 2023.1.0a12
Couldn’t test with: 2020.3.39f1 (Console errors)
Reproducible on: Windows 10
Note: Error seems to be related to the Neato Tags asset
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Resolution Note:
Hi,
This issue is caused by the Neato Tags asset.
The Neato Tags asset keeps references to TaggerDrawer scriptableobjects in his class NeatoTagAssetModificationProcessor. These objects will be destroyed when the Inpspector is reloaded and saving assets (unused asset cleanup). He is not deregistering these objects when he should (in his OnDisable()). He does call NeatoTagAssetModificationProcessor.RegisterTaggerDrawer( this ); in his OnEnable().
So you need to bring this information to the author of that asset so he can fix it, his email is:
charliemadeathing@gmail.com (see https://charliemadeathing.com/contact)