In 3.1 of the Real Robot Projekt: Error in OdomRecord.action

Course Support ROS2 Basics in 5 Days Humble (Python)
1

There is an error in your Notebook/description. In 3.1 “Create Action Server” the .action file must be (the “msg” in geometry_msgs/msg/Point is wrong!):

Wrong:
geometry_msgs/Point list_of_odoms

Correct:
geometry_msgs/Point list_of_odoms