fatal: Could not parse object 'd449d32943891f3fe441abd433460e4a3be3f0c3'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at d449d32 One last experiment with more vertebra.
d449d32943891f3fe441abd433460e4a3be3f0c3