Respected Professor, I wonder why am I getting the following error when I execute the roslaunch unit_4_services my_robot_arm_demo.launch code. [Screenshot (774)] I’ve written the following code in .launch file <include file="$(find iri_wam_reproduce_trajectory)/launch/start_service.launch…

Hi @abdulbasitisdost , Please review this post for a solution to the problem: [image] ERROR: cannot launch node of type [package/file.py]: can't locate node... Knowledgebase error …

Why am I getting this error?

Course Support ROS Basics In 5 Days (Python)

bayodesegun October 28, 2020, 10:10am 2

Hi @abdulbasitisdost,

Please review this post for a solution to the problem: