When I run roslaunch my_turtlebot3_openai_example start_training.launch
I get the error below;
[ERROR] [1651088426.219401, 1331.647000]: Current /scan not ready yet, retrying for getting laser_scan
[ERROR] [1651088427.247071, 1332.595000]: Current /scan not ready yet, retrying for getting laser_scan
[ERROR] [1651088428.263748, 1333.497000]: Current /scan not ready yet, retrying for getting laser_scan
^C[turtlebot3_world-1] killing on exit
[ERROR] [1651088428.758334, 1333.826000]: Current /scan not ready yet, retrying for getting laser_scan
Traceback (most recent call last):
File “/home/user/catkin_ws/src/openai_examples_projects/my_turtlebot3_openai_example/scripts/start_qlearning.py”, line 20, in
env = gym.make(‘TurtleBot3World-v0’)
File “/usr/local/lib/python2.7/dist-packages/gym/envs/registration.py”, line161, in make
return registry.make(id)
How can I get this corrected?