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Fixed in 2021.2.X



Found in






Issue ID




Changing the reference value in the ScriptableObject's script and re-opening the project will result in NULL reference error

Asset - Database


Reproduction steps:
1. Open the user's attached project ""
2. In the Project window open Assets/DATA/Broken/BrokenRefNull Scene
3. In the Hierarchy window expand the "BrokenRefNull Scene" and select "CLICK ME!" GameObject
4. Observe the "CustomScriptableObjectDebugger" script property "SEE BELOW" in the Inspector window
5. Close the project, go to the project's folder and open Assets/DATA/Broken/Buggy Scriptable Object.asset
6. Modify the file's script line 16 from "dummyVal: 4" to "dummyVal: 2"
7. Re-open the project and repeat steps 2-4

Expected result: "CustomScriptableObjectDebugger" script property "SEE BELOW" has no "[ERROR] customScriptableObject.customMonobehavior = NULL"
Actual result: "CustomScriptableObjectDebugger" script property "SEE BELOW" has a "[ERROR] customScriptableObject.customMonobehavior = NULL"

Reproducible with: 2019.4.16f1, 2020.1.17f1, 2020.2.1f1, 2021.1.0a9
Could not test with: 2018.4.30f1 (Multi-object editing not supported)

- In the script, the reference to the customMonobehavior in the prefab is now NULL even though in the Prefab it is clearly seen that the reference is valid

  1. Resolution Note (fix version 2021.2):

    Fixed in: 2021.2.0b1

Comments (1)

  1. eddietree

    Feb 11, 2021 16:58

    any updates on this? Thanks

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