Thanks for your question. However we ask that you please ask questions on [http://answers.ros.org](http://answers.ros.org/) following our support guidelines: http://wiki.ros.org/Support ROS Discourse is for news and general interest discussions. ROS Answers provides a forum which can be filtered by tags to make sure the relevant people can find and/or answer the question, and not overload everyone with hundreds of posts. If you'd like you can reply with a link to your [answers.ros.org](http://answers.ros.org/) question, but in the future please start there. --- [Visit Topic](https://discourse.ros.org/t/ros-rtabmap-error-2-make-j4/5632/2) 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: