https://issuetracker.unity3d.com/issues/crash-on-anonymous-namespace-markboneup-when-entering-play-mode-with-a-3d-model-that-is-using-optimize-gameobjects
Unity Issue Tracker - Crash on `anonymous namespace'::MarkBoneUp when entering Play Mode with a 3D...
How to reproduce:1. Open attached project2. Open the RiggingTest scene3. Enter the Play Mode Reproducible with: 2019.1.7f1, 2019.2.0...