hey it worked but now a new problem whats this mean /opt/ros/cturtle/ros/bin/rosrun: line 35: 1792 Segmentation fault $exepath "$@" -- View this message in context: http://ros-users.122217.n3.nabble.com/Sick-LMS200-display-wrong-in-rviz-tp1561531p1564430.html Sent from the ROS-Users mailing list archive at Nabble.com.