fatal: Could not parse object '4947a12ae7ecc90d2fb725e03c21d781b0a6e4fa'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 4947a12 Created TensegrityModelController.h that can be found in the src/yamlbuilder file
4947a12ae7ecc90d2fb725e03c21d781b0a6e4fa