hello professors, when I try to use roslaunch command to run the robot, I found some problems that I can't solve it. The error shows that as followed :
Traceback (most recent call last):
File "/home/user/ros_workspace/arbotix/arbotix_python/nodes/driver.py", line 39, in
from arbotix_python.follow_controller import FollowController
File "/home/user/ros_workspace/arbotix/arbotix_python/src/arbotix_python/follow_controller.py", line 32, in
from control_msgs.msg import FollowJointTrajectoryAction
ImportError: No module named control_msgs.msg
[arbotix-1] process has died [pid 12272, exit code 1, cmd /home/user/ros_workspace/arbotix/arbotix_python/nodes/driver.py __name:=arbotix __log:=/home/user/.ros/log/dc7aa468-8815-11e3-98ad-ac72896c0c64/arbotix-1.log].
log file: /home/user/.ros/log/dc7aa468-8815-11e3-98ad-ac72896c0c64/arbotix-1*.log
I try to find control_msgs.msg on the internet, but I can't find it, if you have some information about this, please help me. Thanks again for your time.
And my launch file is as followed:
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