hi, I used to hydro distribution of ros. I take to following error therefore I leave no stone unturned unfortunately I didn't correct. how can I correct this error?
Thank you in advance.
**"$rosrun my_pcl_tutorial example input:=/narrow_stereo_textured/points2
[rosrun] Couldn't find executable named example below /home/esetron/catkin_ws/src/my_pcl_tutorial
[rosrun] Found the following, but they're either not files,
[rosrun] or not executable:
[rosrun] /home/esetron/catkin_ws/src/my_pcl_tutorial/src/example"**
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