ERROR: cannot launch node of type [aruco_ros/single]: aruco_ros======What should I DO?

[FrankCreen]

~/catkin_ws/src/aruco_ros/aruco_ros/launch$ roslaunch single.launch ... logging to /home/frank/.ros/log/4194766c-98ef-11ea-a685-e4f89c9e6c27/roslaunch-frank-Lenovo-XiaoXin-V4000-11084.log Checking log directory for disk usage. This may take awhile. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://192.168.43.39:32887/

SUMMARY

PARAMETERS

• /aruco_single/camera_frame: stereo_gazebo_lef...
• /aruco_single/corner_refinement: LINES
• /aruco_single/image_is_rectified: True
• /aruco_single/marker_frame: aruco_marker_frame
• /aruco_single/marker_id: 582
• /aruco_single/marker_size: 0.034
• /aruco_single/reference_frame:
• /rosdistro: kinetic
• /rosversion: 1.12.14

NODES / aruco_single (aruco_ros/single)

auto-starting new master process[master]: started with pid [11094] ROS_MASTER_URI=http://192.168.43.39:11311

setting /run_id to 4194766c-98ef-11ea-a685-e4f89c9e6c27 process[rosout-1]: started with pid [11107] started core service [/rosout] ERROR: cannot launch node of type [aruco_ros/single]: aruco_ros ROS path [0]=/opt/ros/kinetic/share/ros ROS path [1]=/opt/ros/kinetic/share ^C[rosout-1] killing on exit [master] killing on exit 1shutting down processing monitor... ... shutting down processing monitor complete done

[v-lopez]

You have not sourced your ROS workspace most likely, or you have not compiled the package.