Hi Goncalo, I did what you have said when I see that error. But /swissranger_link seems to be connected to the /base_link which is connected to the /odom. Any idea? -Kadir- -- View this message in context: http://ros-users.122217.n3.nabble.com/For-frame-swissranger-link-No-transform-to-fixed-frame-odom-tp2431866p2432678.html Sent from the ROS-Users mailing list archive at Nabble.com.