message: make axis error clearable
diff: @@ -157,7 +157,7 @@ public:
  // Communication protocol definitions
  auto make_protocol_definitions() {
  return make_protocol_member_list(
  - make_protocol_ro_property("error", &error_),
  + make_protocol_property("error", &error_),
  make_protocol_ro_property("missed_control_deadline", &missed_control_deadline_),
  make_protocol_property("enable_step_dir", &enable_step_dir_),
  make_protocol_ro_property("current_state", &current_state_),
  