Unity Issue Tracker - DeoptimizeTransformHierarchy crashes when an object having a SkinnedMeshRenderer is attached to an exposed bone

Fixed in 2017.1

Votes

Found in

Issue ID

Regression

DeoptimizeTransformHierarchy crashes when an object having a SkinnedMeshRenderer is attached to an exposed bone

-

Mar 28, 2017

Reproduction Steps:
1. Import attached project.
2. Open "asdf" scene.
3. Enter play mode.

Result in 5.5: Unity crashes.

Result in 5.6 and 2017.1: Unity gives out error:
Assertion failed on expression: 'boneIndexInUnstrippedSkeleton != -1'

Reproducible with: 5.5.3f1, 5.6.0f3, 2017.1.0a6

Workaround: Detach the nested skeletons and process them by separate executions. (GIF attached)