fatal: Could not parse object '809709f5c6065b43ea25d54e98726c1796350c49'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 809709f Documentation updates regarding timestep and rendering rate
809709f5c6065b43ea25d54e98726c1796350c49