ERROR: cannot launch node of type [exercise_23/publish_age.py]: can't locate node [publish_age.py] in package [exercise_23]

Course Support ROS Basics In 5 Days (Python)
3

Hi @steve26,

Welcome to the Community!

As @simon.steinmann91 mentioned, it’s probably an execute permisssion issue. The full reference to this error can be found in this knowledgebase post: