my service did start properly but after leaving the course and reentering it the start of a service stops with this
[INFO] [launch]: All log files can be found below /home/user/.ros/log/2022-11-16-19-43-06-448666-4_xterm-6458
[INFO] [launch]: Default logging verbosity is set to INFO
[INFO] [services_quiz_server-1]: process started with pid [6460]
[services_quiz_server-1] Traceback (most recent call last):
[services_quiz_server-1] File "/home/user/ros2_ws/install/services_quiz/lib/services_quiz/services_quiz_server", line 11, in <module>
[services_quiz_server-1] load_entry_point('services-quiz==0.0.0', 'console_scripts', 'services_quiz_server')()
[services_quiz_server-1] File "/home/user/ros2_ws/install/services_quiz/lib/python3.8/site-packages/services_quiz/services_quiz_server.py", line 67, in main
[services_quiz_server-1] service = Service()
[services_quiz_server-1] File "/home/user/ros2_ws/install/services_quiz/lib/python3.8/site-packages/services_quiz/services_quiz_server.py", line 13, in __init__
[services_quiz_server-1] self.publisher_ = self.create_publisher(Twist, 'cmd_vel', 10)
[services_quiz_server-1] File "/opt/ros/galactic/lib/python3.8/site-packages/rclpy/node.py", line 1286, in create_publisher
[services_quiz_server-1] check_is_valid_msg_type(msg_type)
[services_quiz_server-1] File "/opt/ros/galactic/lib/python3.8/site-packages/rclpy/type_support.py", line 35, in check_is_valid_msg_type
[services_quiz_server-1] check_for_type_support(msg_type)
[services_quiz_server-1] File "/opt/ros/galactic/lib/python3.8/site-packages/rclpy/type_support.py", line 20, in check_for_type_support
[services_quiz_server-1] ts = msg_or_srv_type.__class__._TYPE_SUPPORT
[services_quiz_server-1] AttributeError: type object 'type' has no attribute '_TYPE_SUPPORT' This might be a ROS 1 message type but it should be a ROS 2 message type. Make sure to source your ROS 2 workspace after your ROS 1 workspace.
[ERROR] [services_quiz_server-1]: process has died [pid 6460, exit code 1, cmd '/home/user/ros2_ws/install/services_quiz/lib/services_quiz/services_quiz_server --ros-args'].
I did rm build -r build install and rebuild the whole workspace. Anything else I could cleanup to make it start again ?