fatal: Could not parse object 'bfe0abddb9a9b073282903e733beb46eeef0db2f'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at bfe0abd Added crater and craterdeep to core
bfe0abddb9a9b073282903e733beb46eeef0db2f