Search Issue Tracker


Fixed in 2023.1.0b6, 2023.2.0a2



Found in



Issue ID




NullReferenceException is thrown at reverting changes after resetting Multiple Particle Systems



How to reproduce:
1. Open a new Unity project
2. Create and select two Particle System GameObjects in the Hierarchy
3. Right-click on the Multiple Particle Systems header in the Inspector
4. Select the “Reset” button
5. Undo by clicking Ctrl + Z (*⌘* + Z on macOS) keyboard key combination

Expected result: Previous action is successfully undone
Actual result: All undoes will result with NullReferenceException error thrown in the Console log

Reproducible with: 2023.1.0a18, 2023.1.0b2
Not reproducible with: 2020.3.44f1, 2021.3.18f1, 2022.2.5f1, 2023.1.0a17

Reproduced on: macOS 13.0 (Intel), Windows 10

Thrown error:
NullReferenceException: SerializedObject of SerializedProperty has been Disposed.

  1. Resolution Note (fix version 2023.2.0a2):

    Fixed in 2023.2.0a2

  2. Resolution Note (fix version 2023.1.0b6):

    Fixed in 2023.1.0b6

Add comment

Log in to post comment

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.