an Error

[Technician13]

Ubuntu 18.04 + ROS melodic

when I input "roslaunch towr_ros towr_ros.launch", a few seconds latter, ther will be an alarm:

[towr_ros_app-5] process has died [pid 31514, exit code -11, cmd /opt/ros/melodic/lib/towr_ros/towr_ros_app __name:=towr_ros_app __log:=/home/donglin/.ros/log/95679150-815d-11eb-ba40-e0946764427c/towr_ros_app-5.log].
log file: /home/donglin/.ros/log/95679150-815d-11eb-ba40-e0946764427c/towr_ros_app-5*.log

what should I do next