stella n1 구동문의 YDLIDAR ERROR > STELLA_N1_Forum

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YDLIDAR ERROR 발생으로
slam도 구동되지 않는듯 합니다 처리 방법이 있을까요?

pi@raspberrypi:~ $ roslaunch stella_bringup stella_robot.launch
... logging to /home/pi/.ros/log/75e589d4-5bd6-11ef-9683-080027cb8b6b/roslaunch-raspberrypi-1283.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://192.168.24.244:43533/

SUMMARY
========

PARAMETERS
 * /rosdistro: melodic
 * /rosversion: 1.14.11
 * /ydlidar_node/angle_fixed: True
 * /ydlidar_node/angle_max: 180.0
 * /ydlidar_node/angle_min: -180.0
 * /ydlidar_node/baudrate: 115200
 * /ydlidar_node/frame_id: laser_frame
 * /ydlidar_node/frequency: 7.0
 * /ydlidar_node/heartbeat: False
 * /ydlidar_node/ignore_array:
 * /ydlidar_node/low_exposure: False
 * /ydlidar_node/port: /dev/YDLIDAR
 * /ydlidar_node/range_max: 16.0
 * /ydlidar_node/range_min: 0.08
 * /ydlidar_node/resolution_fixed: True
 * /ydlidar_node/samp_rate: 9

NODES
  /
    base_link_to_laser4 (tf/static_transform_publisher)
    stella_ahrs_node (stella_ahrs/stella_ahrs_node)
    stella_md_node (stella_md/stella_md_node)
    ydlidar_node (ydlidar/ydlidar_node)

ROS_MASTER_URI=http://192.168.24.240:11311

process[stella_md_node-1]: started with pid [1292]
process[stella_ahrs_node-2]: started with pid [1293]
process[ydlidar_node-3]: started with pid [1294]
process[base_link_to_laser4-4]: started with pid [1295]
Error 2 from open: No such file or directory
[YDLIDAR INFO] Current ROS Driver Version: 1.3.1
[YDLIDAR INFO] Current SDK Version: 1.3.2
[ERROR] [1723817362.476359909]: Error, cannot retrieve YDLIDAR health code: ffffffff
[ERROR] [1723817364.506028577]: YDLIDAR get DeviceInfo Error

[ERROR] [1723817364.506118224]: [YDLIDAR ERROR] Unsupported lidar

[ydlidar_node-3] process has died [pid 1294, exit code 255, cmd /home/pi/catkin_ws/devel/lib/ydlidar/ydlidar_node __name:=ydlidar_node __log:=/home/pi/.ros/log/75e589d4-5bd6-11ef-9683-080027cb8b6b/ydlidar_node-3.log].
log file: /home/pi/.ros/log/75e589d4-5bd6-11ef-9683-080027cb8b6b/ydlidar_node-3*.log