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Fixed in 2020.2.X
Votes
0
Found in
2020.1.0a22
2020.2
Issue ID
1271005
Regression
Yes
PopupWindowContent is sometimes closed/destroyed after parent PopupWindow is destroyed causing errors in properties
Steps to reproduce:
1. Open the attached project
2. Select the Directional Light game object
3. Open up the Culling Mask drop-down (this project contains an Editor script that overrides the normal Light Editor)
4. Click anywhere in the Scene/Hierarchy while the drop-down is active
5. Observe the error in the Console
Note: this might not reproduce on every setup - I had the most success with Mac computers, but we've managed to reproduce it on Windows as well
Affected versions: 2020.1.0a22, 2020.1.3f1, 2020.2.0a21
Unaffected versions: 2018.4.26f1, 2019.4.8f1, 2020.1.0a21
Expected result: no exceptions; the PopupWindowContent does not call its OnGUI after the parent window is gone
Actual result: NullReferenceException: SerializedObject of SerializedProperty has been Disposed
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Resolution Note (fix version 2020.2):
Fixed in: 2021.2.0a3