fatal: Could not parse object '490c6d2e7b2c52b12c269562122a0b2d46016c45'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 490c6d2 Delete BigPuppy.cpp
490c6d2e7b2c52b12c269562122a0b2d46016c45