fatal: Could not parse object '664dc42406f2663fe2181375a55aeace698eca27'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 664dc42 Another morphological variation on MountainGoat's legs, for experimentation.
664dc42406f2663fe2181375a55aeace698eca27