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Fixed in 2018.3.X
Votes
0
Found in
2019.1.0a6
Issue ID
1094332
Regression
No
Exceptions are thrown while attempting to Apply property modification via context menu
Steps:
1. Add UI Button to the Hierarchy
2. Make a prefab out of it
3. Select instance in the Hierarchy
4. click "+" to add listener for OnClick function of the Button
==>
"Runtime only" is highlighted as property modification
5. Right-click on it and choose "Apply to Prefab Button"
==>
Two exceptions are thrown:
Destination property could not be found
NullReferenceException: Object reference not set to an instance of an object
UnityEditor.PrefabUtility.ApplySingleProperty (UnityEditor.SerializedProperty instanceProperty, UnityEditor.SerializedObject prefabSourceSerializedObject, System.String assetPath, System.Boolean
Note: Assigned GameObject to field will not be applied to prefab asset as well
Workaround: You can apply modification through Modified component or via Overrides menu
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