[iiiroboticslidar2-5] process has died

[QuicSort]

I got this error when I run your code:

process[rviz-7]: started with pid [4323]
[CSerialConnection]Could not open serial port '/dev/3ilidar'!
[AuxCtrl] Open serail port /dev/3ilidar failed!
process[kc_2d-8]: started with pid [4357]
process[csm_2d-9]: started with pid [4359]
[iiiroboticslidar2-5] process has died [pid 4278, exit code 255, cmd /home/spark/spark/devel/lib/iiiroboticslidar2/iiirobotics_lidar2_node __name:=iiiroboticslidar2 __log:=/home/spark/.ros/log/07c0ba20-fc44-11e8-997e-080027ed4566/iiiroboticslidar2-5.log].
log file: /home/spark/.ros/log/07c0ba20-fc44-11e8-997e-080027ed4566/iiiroboticslidar2-5*.log
startReadStream

Can you please tell me how to solve it? I run it on virtualbox ubuntu14