Error when launching python code.

[Kristian181]

After the command "ros2 launch ldlidar_stl_ros2 ld19.launch.py" I recieved the following error:

[INFO] [launch]: All log files can be found below /home/ditmar/.ros/log/2022-11-17-10-38-42-823400-ditmar-VirtualBox-3613 [INFO] [launch]: Default logging verbosity is set to INFO [INFO] [ldlidar_stl_ros2_node-1]: process started with pid [3614] [INFO] [static_transform_publisher-2]: process started with pid [3616] [static_transform_publisher-2] [WARN] [1668677924.187515024] []: Old-style arguments are deprecated; see --help for new-style arguments [ldlidar_stl_ros2_node-1] [INFO] [1668677924.433554313] [LD19]: LDLiDAR SDK Pack Version is: v3.0.3 [ldlidar_stl_ros2_node-1] [INFO] [1668677924.434860673] [LD19]: <product_name>: LDLiDAR_LD19 [ldlidar_stl_ros2_node-1] [INFO] [1668677924.435963707] [LD19]: <topic_name>: scan [ldlidar_stl_ros2_node-1] [INFO] [1668677924.436106027] [LD19]: <frame_id>: base_laser [ldlidar_stl_ros2_node-1] [INFO] [1668677924.436180008] [LD19]: <port_name>: /dev/ttyUSB0 [ldlidar_stl_ros2_node-1] [INFO] [1668677924.436199364] [LD19]: <port_baudrate>: 230400 [ldlidar_stl_ros2_node-1] [INFO] [1668677924.436209824] [LD19]: <laser_scan_dir>: Counterclockwise [ldlidar_stl_ros2_node-1] [INFO] [1668677924.436219813] [LD19]: <enable_angle_crop_func>: false [ldlidar_stl_ros2_node-1] [INFO] [1668677924.436229702] [LD19]: <angle_crop_min>: 135.000000 [ldlidar_stl_ros2_node-1] [INFO] [1668677924.436245783] [LD19]: <angle_crop_max>: 225.000000 [ldlidar_stl_ros2_node-1] [ERROR] [1668677924.436360430] [LD19]: ldlidar node start is fail [static_transform_publisher-2] [INFO] [1668677924.503143437] [base_link_to_base_laser_ld19]: Spinning until stopped - publishing transform [static_transform_publisher-2] translation: ('0.000000', '0.000000', '0.180000') [static_transform_publisher-2] rotation: ('0.000000', '0.000000', '0.000000', '1.000000') [static_transform_publisher-2] from 'base_link' to 'base_laser' [ldlidar_stl_ros2_node-1] [LDS][ERROR][Thu Nov 17 10:38:44 2022][/home/ditmar/ldlidar_ros2_ws/src/ldlidar_stl_ros2/ldlidar_driver/src/serialcom/serial_interface_linux.cpp][Open][41][Open open error,Permission denied] [ldlidar_stl_ros2_node-1] [LDS][ERROR][Thu Nov 17 10:38:44 2022][/home/ditmar/ldlidar_ros2_ws/src/ldlidar_stl_ros2/ldlidar_driver/src/core/ldlidar_driver.cpp][Start][90][serial is not open:/dev/ttyUSB0] [ERROR] [ldlidar_stl_ros2_node-1]: process has died [pid 3614, exit code 1, cmd '/home/ditmar/ldlidar_ros2_ws/install/ldlidar_stl_ros2/lib/ldlidar_stl_ros2/ldlidar_stl_ros2_node --ros-args -r __node:=LD19 --params-file /tmp/launch_params_02h4cjfi --params-file /tmp/launch_params_4p_xhzqx --params-file /tmp/launch_params_crh_pjiy --params-file /tmp/launch_params_d3w9fnwj --params-file /tmp/launch_params_ed2i03x1 --params-file /tmp/launch_params_xthq6i0l --params-file /tmp/launch_params_kcwvvbzd --params-file /tmp/launch_params_3_0jvih8 --params-file /tmp/launch_params_taoamxlv'].

Currently using ubuntu version: Ubuntu 22.04.1 LTS I'm also using Oracle Virtual Machine to run Ubuntu.

I hope somone can help me with this problem.