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fatal error: turtlebot_msgs/SetFollowState.h: No such file or directory

asked 2020-11-11 08:54:39 -0500

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When I run the code : " $ mkdir -p ~/catkin_ws/src $ cd ~/catkin_ws/ $ catkin_make " to create a ROS workspace and some errors happened:

/home/xzs/catkin_ws/src/turtlebot_apps/turtlebot_follower/src/follower.cpp:36:10: fatal error: turtlebot_msgs/SetFollowState.h: No such file or directory 36 | #include <turtlebot_msgs setfollowstate.h=""> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. make[2]: * [turtlebot_apps/turtlebot_follower/CMakeFiles/turtlebot_follower.dir/build.make:63: turtlebot_apps/turtlebot_follower/CMakeFiles/turtlebot_follower.dir/src/follower.cpp.o] Error 1 make[1]: [CMakeFiles/Makefile2:3783: turtlebot_apps/turtlebot_follower/CMakeFiles/turtlebot_follower.dir/all] Error 2 make: ** [Makefile:141: all] Error 2 Invoking "make -j4 -l4" failed How can I figure it out?