Hello,
Where is the error? I couldn’t figure it out.
user:~/catkin_ws/src/my_project/src$ chmod +x wall_following.py
user:~/catkin_ws/src/my_project/src$ cd
user:~$ cd ~/ catkin_ws
bash: cd: too many arguments
user:~$ cd ~/catkin_ws
user:~/catkin_ws$ roslaunch my_project my_project.launch
… logging to /home/user/.ros/log/4891de4a-d52a-11ec-8455-0242ac120007/roslaunch-1_xterm-6324.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.
RLException: Invalid roslaunch XML syntax: mismatched tag: line 5, column 2
The traceback for the exception was written to the log file