Search Issue Tracker
Won't Fix
Votes
0
Found in
2019.3
2019.3.4f1
2020.2
Issue ID
1239839
Regression
No
NullReferenceException on Undo.PerformUndo
How to reproduce:
1. Open the attached Perform Undo NullRef.zip project
2. Go to Project window/Scenes/ open Sample Scene
3. Go to the Scene view and make sure Scene View tab is focused on by mouse
4. Press U button on the keyboard
Actual: NullReferenceException is thrown in the console window when performing Undo.PerformUndo
Reproducible with: 2019.3, 2020.2
Note: Could not test with earlier versions because of the thrown errors
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- Longer Add Component submenu labels obscure UI and are not truncated
- Scripts submenu of the Add Component Menu can be scrolled horizontally
- Documentation link icons' are not aligned in he "Recommendation" tabĀ
- "Game Specifications" section becomes blank, and users get "ArgumentException: Cannot unschedule unknown scheduled function" during the "Game Specification" selection when the "Multiplayer Center" window is docked
- Foldout arrow indent is misaligned in the Inspector when used in Custom Type
Resolution Note:
It is safer to add a callback to beforeSceneGui instead of duringSceneGui when wanting to use undo actions.
When using duringSceneGui the user can end up reversing some of the handle and tool set up unintentionally.