I had completed exercise 4.3 , but running the roslaunch command gave me the same error reported in this link of this forum:
so I followed every advice reported in the link and the last one was: run the command :
rm -rf build/ devel/
since I did this, whenever I run the catkin_make command in the catkin_ws folder it always comes up with an error:
how can i solve it ? i don’t know what to do
Please show us a full screenshot showing the full error message. The key to solving the error is usually in the error message.
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