Multiple errors in chapter 2

Hi,
I’m kinda stuck in chapter 2-Mapping. Your example/exercise 2.2 starts with “ros2 launch turtlebot3_cartographer cartographer.launch.py”. How should that work? There is no package in my ros2_ws.
So I started “cheating” by sourcing your install workspace “/home/simulations/ros2_sims_ws/install/setup.bash”. With that I could run the cartographer BUT the next command: “ros2 run turtlebot3_teleop teleop_keyboard” crashes, with a "KeyError: ‘TURTLEBOT3_MODEL’ ".

Now I’m confused why no one else reports these problems !?
Have you executed the course once?

Best Regards

Btw there is a “spelling error” (missing L) in a call in chapter one “source instal/setup.bash”

Hello @t.alscher ,

I’ve solved the errors you comment on here and others I’ve found in the course. Many apologies for these inconveniences. We are working hard in order to make all the courses work 100%. Please let us know if you experience any other problems with the course.

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