MingXuan-Xiong

LIO-SAM [lio_sam_imuPreintegration-2] process has died [pid 32792, exit code -6

6

### Hey,buddies,I encountered this issue while using LIO-SAM。Firstly，I run the launch file，then play the bag files which are provided by official website(like west.bag/casual_walk.bag) and reported an error ： [lio_sam_imuPreintegration-2] process...