https://issuetracker.unity3d.com/issues/deoptimizetransformhierarchy-crashes-when-an-object-having-a-skinnedmeshrenderer-is-attached-to-an-exposed-bone
Unity Issue Tracker - DeoptimizeTransformHierarchy crashes when an object having a...
Reproduction Steps:1. Import attached project.2. Open "asdf" scene.3. Enter play mode. Result in 5.5: Unity crashes. Result in 5.6 a...
issue trackerunitycrashesobject