message: FIX: Insert default case for `segment`
diff: @@ -25,7 +25,7 @@ int ModelKDL::segment(franka::Frame frame) {
  case franka::Frame::kFlange: return 8;
  case franka::Frame::kEndEffector:
  case franka::Frame::kStiffness:
  - return -1;
  + default: return -1;
  }
  // clang-format on
  }
  