Hello: Thanks for testing the beta! The error looks like an ABI problem between the different versions of ignition-math used by the old version of gazebo and sdformat. Please report it in the [gazebo issue tracker](https://bitbucket.org/osrf/gazebo/issues) so we can take care of it properly. --- [Visit Topic](https://discourse.ros.org/t/gazebo-8-pre-release-tutorial-review/1181/3) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: