fatal: Could not parse object 'b4b40be6bcd518d83179aa7508dea630ecbbd2d2'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at b4b40be Returning paper parameters to rods of spines
b4b40be6bcd518d83179aa7508dea630ecbbd2d2