Search Issue Tracker

Fixed in 5.3.7



Found in


Issue ID




Undoing hierarchy leads to m_TransformData.hierarchy == NULL assert followed by a crash

Project Browser/Hierarchy


Steps to reproduce:

1. Create new project
2. Add empty GO
3. Add Child GO to previously created GO
4. Add child to GO created in step 3 (hierarchy should be GO -> GO -> GO)
5. Drag Grandchild (GO created in step 4) to be parented by GO created in step 2 (hierarchy should be GO -> (GO; GO))
6. Drag GO which was moved in step 5 to project tab to create a prefab
7. Press ctrl+z three times
- Unity Crashes

Reproduced with: 5.3.5p5, 5.4.0b23, 5.5.0a2

5.3.5p5 has stacktrace from case 752511. 5.40b23 and 5.5.0a2 has different stactraces

Comments (1)

  1. TaleOf4Gamers

    Jul 01, 2016 12:58

    Just had this issue.
    Would be great to get fixed.

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.