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Won't Fix
Votes
1
Found in
2022.3.14f1
2023.2.2f1
2023.3.0a16
6000.0.0b11
Issue ID
UUM-57280
Regression
Yes
“Assertion failed on expression:..." errors are thrown when saving changes of a Prefab
Reproduction steps:
1. Open the “PrefabError.zip” project
2. Double-click on “BLOCK” Prefab
3. Change any parameter of the “BLOCK” Prefab and save the changes
4. Observe the Console
Expected result: No errors are thrown
Actual result: “Assertion failed on expression: 'prefabInstance.GetPrefabModification().m_TransformParent.IsValid()'
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()” error is thrown
Reproducible with: 2022.1.0a15, 2022.3.14f1, 2023.2.2f1, 2023.3.0a16
Not reproducible with: 2021.3.33f1, 2022.1.0a14
Reproduced on: macOS Sonoma 14.1.1 (Intel), Windows 11 Pro
Note: Not reproduced on a new project
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Resolution Note:
Thank you for reporting a bug to Unity.
We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug. There are a number of reasons we make this decision, including the impact and severity of the issue across our user and customer base, and the possibility that future plans may solve the problem in a different way, or that a workaround for the bug may be available.
Today we will be closing this case. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.