fatal: Could not parse object '2cb9ae6c05ebc30c2269426e03045b3b9f26cc75'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 2cb9ae6 Fixing timesteps and a few other minor things in nested tetrahedron
2cb9ae6c05ebc30c2269426e03045b3b9f26cc75