fatal: Could not parse object 'e210280fcdfbb4aa1699b0921f228c11f2adc532'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at e210280 Switched cd to push/pops.
e210280fcdfbb4aa1699b0921f228c11f2adc532