fatal: Could not parse object 'dd002d03191f9cc55832a4434eebc5d53822a9da'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at dd002d0 Fixed doc paragraph.
dd002d03191f9cc55832a4434eebc5d53822a9da