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Problems with using gmapping - cannot launch node.

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I request your help in getting started with gmapping on robotino. I have just checked out the robotino-ros-pkg using svn and run 'rosmake robotino' without any errors. Now when I want to launch gmapping using: roslaunch robotino_navigation gmapping.launch, I get the following error: sam3891@sam3891-ThinkPad-SL400:~$ roslaunch robotino_navigation gmapping.launch ======== PARAMETERS * /rosdistro: indigo * /rosversion: 1.11.10 * /slam_gmapping/xmax: 20 * /slam_gmapping/xmin: -20 * /slam_gmapping/ymax: 20 * /slam_gmapping/ymin: -20 NODES / slam_gmapping (gmapping/slam_gmapping) auto-starting new master process[master]: started with pid [9008] ROS_MASTER_URI=http://localhost:11311 setting /run_id to 3968f884-97fe-11e4-a8ea-0026186f16cc process[rosout-1]: started with pid [9021] started core service [/rosout] ERROR: cannot launch node of type [gmapping/slam_gmapping]: gmapping ROS path [0]=/opt/ros/indigo/share/ros ROS path [1]=/usr/include/pcl-1.7/ ROS path [2]=/home/sam3891/robotino-ros-pkg ROS path [3]=/opt/ros/indigo/share ROS path [4]=/opt/ros/indigo/stacks Is there any step that I am missing between download the robotino-ros-pkg and implementing gmapping? Do I need to download any extra packages? If so, how do I link it to ROS? Can someone help please?

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