fatal: Could not parse object 'f7d4d0a5469b06dfe1ba9ed6d7aa9aa13da6a990'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at f7d4d0a Added Yaml representation for structures
f7d4d0a5469b06dfe1ba9ed6d7aa9aa13da6a990