root@ubuntu:~# ros2 launch origincar_bringup usb_websocket_display.launch.py
[INFO] [launch]: All log files can be found below /root/.ros/log/2025-06-26-14-52-08-846959-ubuntu-89180
[INFO] [launch]: Default logging verbosity is set to INFO
[ERROR] [launch]: Caught exception in launch (see debug for traceback): Caught multiple exceptions when trying to load file of format [py]:
- PackageNotFoundError: “package ‘dnn_node_example’ not found, searching: [‘/userdata/dev_ws/install/utils’, ‘/userdata/dev_ws/install/origincar_base’, ‘/userdata/dev_ws/install/serial’, ‘/userdata/dev_ws/install/origincar_msg’, ‘/userdata/dev_ws/install/origincar_description’, ‘/userdata/dev_ws/install/origincar_bringup’, ‘/userdata/dev_ws/install/ackermann_msgs’, ‘/opt/tros/humble’, ‘/opt/ros/humble’]”
- InvalidFrontendLaunchFileError: The launch file may have a syntax error, or its format is unknown