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Fixed in 2022.3.11f1, 2023.1.15f1, 2023.2.0b11, 2023.3.0a6, 7000.0.0a1



Found in




Issue ID




Editor freezes when adding a new element to a list whose parent RID starts with 4, 5 or 6



Reproduction steps:
1. Open the “AddToListStripped“ project
2. In the main menu click “RhoLab”, then “State Editor”
3. In the State Editor window click “Dax Flat”, then “Door”, then “OnClicked”
4. Expand “Response” and click + to add to the list

Expected result: A new element is created
Actual result: The Editor freezes

Reproduced in: 2022.1.0a13, 2022.3.4f1, 2023.1.3f1, 2023.2.0a22
Not reproduced in: 2021.3.28f1, 2022.1.0a12

Reproduced using: Windows 10 (by reporter), macOS 13.4.1 (Intel)

1. First few lines of what's flooded in “Editor.log” during the freeze:
/Users/bokken/build/output/unity/unity/ModuleOverrides/com.unity.ui/Editor/RetainedMode.cs line 55]
Assertion failed on expression: ‘m_ByteOffset + m_TypeTreeIterator->m_ByteSize <= m_Data->size()'
2. Also reproduced in Inspector by selecting the “InteractionDatabase.asset” ScriptableObject, expanding FactGroups, Element 0, Facts, Element 0, Rules, Element 1, Response, and clicking + to add to the list
3. If the ScriptableObject is opened in a text editor there are two rid references (i.e. the two rules)
rid: 4453235519239487651
rid: 4453235519239487717
If the first number of the second RID is changed from 4 to 8 or 7 (change it everywhere) the freeze will not reproduce. If it’s changed to 5 or 6 it will still freeze. The issue will not reproduce when deleting the rule and creating it again, because the newly generated RID will start with 8

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