[gmapping.launch] is neither a launch file in package error

asked 2021-08-16 18:04:51 -0500

I've got this message when I run roslaunch my_gmapping gmapping.launch

RLException: [gmapping.launch] is neither a launch file in package [my_gmapping] nor is [my_gmapping] a launch file name
The traceback for the exception was written to the log file

That code exists in this path

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What's the output of rospack find my_gmapping?

abhishek47 gravatar image abhishek47  ( 2021-08-18 06:23:35 -0500 )edit

It shows [rospack] Error: package 'my_gmapping' not found

ArisWindy gravatar image ArisWindy  ( 2021-08-18 12:27:15 -0500 )edit