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

Why is this happening? How to fix it? (Exercise 2.3)

Hi @steve26

make sure you source the devel/setup.bash after compiling and that the is made executable with chmod +x

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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:

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