Search Issue Tracker
Fixed in 2021.2.X
Votes
1
Found in
2017.4.0f1
2018.4.0f1
2019.2.0a1
2019.2.8f1
2019.3.0a1
2020.1.0a1
Issue ID
1190190
Regression
No
ArgumentOutOfRangeException error is thrown when expanding Transition BlendTree Parameters
Repro steps:
1. Open "AnimTransitionBug" project
2. Open "Girl AC" in the Animator window and double-click on "Dash Ground"
3. Click on the transition between "Dash_F" and "Exit"
4. Change the Preview Destination State to "Locomotion"
5. Expand the BlendTree Parameters
Expected result: BlendTree Parameters list is expanded without any errors being thrown
Actual result: "ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index" errors are thrown
Reproducible with: 2017.4.33f1, 2018.4.11f1, 2019.2.8f1, 2019.3.0b7, 2020.1.0a8
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
- Some UXML Template Asset foldouts appear enabled when all fields inside are disabled
- URP Terrain Demo crash on burst_signal_handler after Generating lighting
- Project window button icons are poorly visible and their shades differ in Light theme
- Automatic LOD fails and SRP Batcher incompatibility occurs when using spline-based quad-topology meshes
- Editor crashes on D3D12GetInterface when repeatedly enabling and disabling 256 text components
Resolution Note (fix version 2021.2):
Fixed in 2021.2.0a3