fatal: Could not parse object 'e1cd5174b721f02fe29409f49805e25e97cf57b1'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at e1cd517 Fixed Doxygen permissions issue.
e1cd5174b721f02fe29409f49805e25e97cf57b1