[visualOdometry-2] process has died

[SakuraMemoryKnight]

[visualOdometry-2] process has died [pid 11698, exit code -11, cmd /home/zcg/catkin_vloam/devel/lib/demo_lidar/visualOdometry __name:=visualOdometry __log:=/home/zcg/.ros/log/ad572f06-14a2-11ea-8014-b025aa21388f/visualOdometry-2.log].
log file: /home/zcg/.ros/log/ad572f06-14a2-11ea-8014-b025aa21388f/visualOdometry-2*.log

Help me please. The compilation is successful and can be started without a problem, but once the dataset starts to play, the process visualOdometry will die as shown above.