fatal: Could not parse object '19a43e85619826d7747462e307b7895910d90d23'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 19a43e8 Added CraterDeep compilation
19a43e85619826d7747462e307b7895910d90d23