fatal: Could not parse object '74c9030b24e3c71f464aec0c2b31de94729e9d0e'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 74c9030 Updating a few minor changes to BigPuppy from earlier.
74c9030b24e3c71f464aec0c2b31de94729e9d0e