fatal: Could not parse object '969ec88dc0ebdfd2c93c1bd052c41edbb1fc7545'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 969ec88 Cleaning up documentation
969ec88dc0ebdfd2c93c1bd052c41edbb1fc7545