error while running c_make command

[Asp7715]

I am using ubuntu 20.04 and I have ROS neotic.
When I run step 6 launch file:

I encounter an error and This is my output window in the terminal:
... logging to /home/ilab/.ros/log/5d30fa26-0e13-11ed-9007-2dabd0521c8a/roslaunch-smartlab-NUC11PAHi5-297900.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://smartlab-NUC11PAHi5:37337/

SUMMARY

PARAMETERS

• /rosdistro: noetic
• /rosversion: 1.15.14
• /ti_mmwave/command_port: /dev/ttyACM0
• /ti_mmwave/command_rate: 115200
• /ti_mmwave/data_port: /dev/ttyACM1
• /ti_mmwave/data_rate: 921600
• /ti_mmwave/frame_id: ti_mmwave
• /ti_mmwave/max_allowed_azimuth_angle_deg: 90
• /ti_mmwave/max_allowed_elevation_angle_deg: 90

NODES
/
mmWaveQuickConfig (ti_mmwave_rospkg/mmWaveQuickConfig)
rviz (rviz/rviz)
static_tf_map_to_base_radar_link (tf/static_transform_publisher)
ti_mmwave (ti_mmwave_rospkg/ti_mmwave_rospkg)

auto-starting new master
process[master]: started with pid [297908]
ROS_MASTER_URI=http://localhost:11311

setting /run_id to 5d30fa26-0e13-11ed-9007-2dabd0521c8a
process[rosout-1]: started with pid [297918]
started core service [/rosout]
process[ti_mmwave-2]: started with pid [297925]
process[mmWaveQuickConfig-3]: started with pid [297926]
process[static_tf_map_to_base_radar_link-4]: started with pid [297927]
process[rviz-5]: started with pid [297928]
[ INFO] [1658971185.301332854]: mmWaveQuickConfig: Configuring mmWave device using config file: /home/ilab/catkin_ws/src/ti_mmwave_rospkg/cfg/1843es1_long_range_3d.cfg
[ INFO] [1658971185.302543378]: waitForService: Service [/mmWaveCLI] has not been advertised, waiting...
[ INFO] [1658971185.304412348]: Initializing nodelet with 8 worker threads.
[ INFO] [1658971185.307386416]: mmWaveCommSrv: command_port = /dev/ttyACM0
[ INFO] [1658971185.307406678]: mmWaveCommSrv: command_rate = 115200
[ INFO] [1658971185.308801508]: mmWaveDataHdl: data_port = /dev/ttyACM1
[ INFO] [1658971185.308826801]: mmWaveDataHdl: data_rate = 921600
[ INFO] [1658971185.308837653]: mmWaveDataHdl: max_allowed_elevation_angle_deg = 90
[ INFO] [1658971185.308846472]: mmWaveDataHdl: max_allowed_azimuth_angle_deg = 90
[ INFO] [1658971185.323561742]: waitForService: Service [/mmWaveCLI] is now available.
[ INFO] [1658971185.829670616]: mmWaveCommSrv: Sending command to sensor: 'sensorStop'
[ INFO] [1658971185.836871841]: mmWaveCommSrv: Received response from sensor: 'sensorStop
'f??f??f??' is not recognized as a CLI command
mmwDemo:/>'
[ERROR] [1658971185.838279038]: mmWaveQuickConfig: Command failed (mmWave sensor did not respond with 'Done')
[ERROR] [1658971185.838314257]: mmWaveQuickConfig: Response: 'sensorStop
'f??f??f??' is not recognized as a CLI command
mmwDemo:/>'
[mmWaveQuickConfig-3] process has died [pid 297926, exit code 1, cmd /home/ilab/catkin_ws/devel/lib/ti_mmwave_rospkg/mmWaveQuickConfig /home/ilab/catkin_ws/src/ti_mmwave_rospkg/cfg/1843es1_long_range_3d.cfg __name:=mmWaveQuickConfig __log:=/home/ilab/.ros/log/5d30fa26-0e13-11ed-9007-2dabd0521c8a/mmWaveQuickConfig-3.log].
log file: /home/ilab/.ros/log/5d30fa26-0e13-11ed-9007-2dabd0521c8a/mmWaveQuickConfig-3*.log

[johnnyfox87]

I guess something is wrong with your serial connection. Make sure to check every step of TI's Out of box demo guide