[gazebo-2] process has died

[WYZ0718]

when I try to roslaunch mggplanner gazebo_world.launch

Segmentation fault (core dumped) [gazebo-1] process has died [pid 210292, exit code 139, cmd /opt/ros/noetic/lib/gazebo_ros/gzserver -e ode /home/wyz/mggplanner_ws/src/exploration/MGGPlanner/planner_gazebo_sim/worlds/darpa_cave_01.world __name:=gazebo __log:=/home/wyz/.ros/log/b906366e-1f6c-11f0-bcf3-b5204813e46f/gazebo-1.log]. log file: /home/wyz/.ros/log/b906366e-1f6c-11f0-bcf3-b5204813e46f/gazebo-1*.log all processes on machine have died, roslaunch will exit shutting down processing monitor... ... shutting down processing monitor complete done

[WYZ0718]

wyz@R9000P:~/mggplanner_ws$ roslaunch mggplanner gazebo_world.launch ... logging to /home/wyz/.ros/log/51e8e0c4-1f6e-11f0-8ef1-65de3ad63f09/roslaunch-R9000P-3920.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://R9000P:34445/

SUMMARY

PARAMETERS

• /gazebo/enable_ros_network: True
• /rosdistro: noetic
• /rosversion: 1.17.0
• /use_sim_time: True

NODES / gazebo (gazebo_ros/gzserver)

auto-starting new master process[master]: started with pid [3928] ROS_MASTER_URI=http://localhost:11311

setting /run_id to 51e8e0c4-1f6e-11f0-8ef1-65de3ad63f09 process[rosout-1]: started with pid [3938] started core service [/rosout] process[gazebo-2]: started with pid [3942] [ INFO] [1745321913.796775993]: Finished loading Gazebo ROS API Plugin. [ INFO] [1745321913.797977951]: waitForService: Service [/gazebo/set_physics_properties] has not been advertised, waiting... [ INFO] [1745321914.704992464]: waitForService: Service [/gazebo/set_physics_properties] is now available. Segmentation fault (core dumped) [gazebo-2] process has died [pid 3942, exit code 139, cmd /opt/ros/noetic/lib/gazebo_ros/gzserver -e ode /home/wyz/mggplanner_ws/src/exploration/MGGPlanner/planner_gazebo_sim/worlds/darpa_cave_01.world __name:=gazebo __log:=/home/wyz/.ros/log/51e8e0c4-1f6e-11f0-8ef1-65de3ad63f09/gazebo-2.log]. log file: /home/wyz/.ros/log/51e8e0c4-1f6e-11f0-8ef1-65de3ad63f09/gazebo-2*.log