fatal: Could not parse object 'f0ff594ce68e22b8312736ad26fd21b51940ead0'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at f0ff594 Add example JSON parameters file
f0ff594ce68e22b8312736ad26fd21b51940ead0