fatal: Could not parse object '698cc598f5a7d795c0cfb2525eed4e4f488f3326'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 698cc59 Update dependency URLs.
698cc598f5a7d795c0cfb2525eed4e4f488f3326