Errors in rosject, packages in wrong place

The rosject part 1 says that the packages for the turtlebot are in the ros2_ws/src folder

But in my file structure the packages are in the simulation package image

And I think that is why I get errors when loading the simulation, and I cant access the robots topics
How do I fix this?

Hi, can you try sourcing simulation_ws before launching the simulation?

source ~/simulation_ws/devel/setup.bash