运行过程中出现这个什么原因呢？
[multiScanRegistration-3] process has died [pid 5359, exit code -11, cmd /home/bai/catkin1_ws/devel/lib/loam_velodyne/multiScanRegistration /multi_scan_points:=/rslidar_points __name:=multiScanRegistration __log:=/home/bai/.ros/log/5d4cdf7a-2037-11e9-83d2-1c4d70a32195/multiScanRegistration-3.log].
log file: /home/bai/.ros/log/5d4cdf7a-2037-11e9-83d2-1c4d70a32195/multiScanRegistration-3*.log