[dxslam-3] process has died [pid 25455, exit code -11

[mobiiin]

hi, I followed the instruction, nevertheless i encounter this error while launching the dxslam
any help is appreciated

... logging to /home/mobiiin/.ros/log/7635efd0-0ffa-11ec-bae8-1002b5cd5c12/roslaunch-mobiiin-ubu-25390.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://mobiiin-ubu:45041/

SUMMARY
========

PARAMETERS
 * /dxslam/config: realsense_d435.yaml
 * /dxslam/depth_topic: d400/aligned_dept...
 * /dxslam/feature_topic: d400/color/features
 * /dxslam/image_topic: d400/color/image_raw
 * /dxslam/pub_tf_child_frame: base_link
 * /dxslam/pub_tf_parent_frame: map
 * /dxslam/reference_frame: vslam_origin
 * /dxslam/vocabulary: DXSLAM.fbow
 * /rosdistro: melodic
 * /rosversion: 1.14.11

NODES
  /
    dxslam (dxslam_ros/dxslam)
    map_vslam_tf (tf/static_transform_publisher)

auto-starting new master
process[master]: started with pid [25407]
ROS_MASTER_URI=http://localhost:11311

setting /run_id to 7635efd0-0ffa-11ec-bae8-1002b5cd5c12
process[rosout-1]: started with pid [25427]
started core service [/rosout]
process[map_vslam_tf-2]: started with pid [25438]
process[dxslam-3]: started with pid [25455]
File does not exist: DXSLAM.fbow
File does not exist: realsense_d435.yaml
Vocabulary: /home/mobiiin/catkin_ws/src/dxslam_ros/dxslam/Vocabulary/DXSLAM.fbow
Config: /home/mobiiin/catkin_ws/src/dxslam_ros/config/realsense_d435.yaml
[dxslam-3] process has died [pid 25455, exit code -11, cmd /home/mobiiin/catkin_ws/devel/lib/dxslam_ros/dxslam __name:=dxslam __log:=/home/mobiiin/.ros/log/7635efd0-0ffa-11ec-bae8-1002b5cd5c12/dxslam-3.log].
log file: /home/mobiiin/.ros/log/7635efd0-0ffa-11ec-bae8-1002b5cd5c12/dxslam-3*.log