fatal: Could not parse object 'ccaffb9c61934bf1f2e10b29cee052e2c9be1889'. From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim * branch master -> FETCH_HEAD HEAD is now at ccaffb9 Trying another spine muscle configuration, and fewer active muscles. ccaffb9c61934bf1f2e10b29cee052e2c9be1889