I'm trying to use ROS based on Optitrack. I used the next command :
$ roslaunch crazyflie_demo hover_vrpn.launch uri:=radio//0/80/250K frame:=world x:=0 y:=0 z:=0.5
and i got this error:
ERROR: cannot launch node of type
> [ros_vrpn_client/ros_vrpn_client]:> ros_vrpn_clienct ROS path> [0]=/opt/ros/indigo/share/ros ROS path> [1]=/home/alex/crazyflie_ws/src ROS> path [2]=/opt/ros/indigo/share ROS> path [3]=/opt/ros/indigo/stacks> [crazyflie_server-2] process has died> [pid 11109, exit code -6, cmd> /home/user/...]
Can somebody help me with this?
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