fatal: Could not parse object '1b4dbe7485d6bb0b13cc540bb8dbe541ce24360d'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 1b4dbe7 Added tgSphere functionality to the YAML builder. To use: create a node with the tag of a builder. See example in src/dev/apsabelhaus/YAMLtests/stick_with_ball.
1b4dbe7485d6bb0b13cc540bb8dbe541ce24360d