[Bug] gazebo runtime error

[hakuturu583]

gazebo was died with segmentation fault.

log file: /home/masaya-tier4/.ros/log/8b1abb58-c4b5-11e8-9db5-9cb6d0b9d9b1/spawn_model-4*.log
Segmentation fault (core dumped)
[gazebo-2] process has died [pid 14493, exit code 139, cmd /opt/ros/kinetic/lib/gazebo_ros/gzserver -e ode /home/masaya-tier4/catkin_ws/devel/share/robotx_gazebo/worlds/example_course.world __name:=gazebo __log:=/home/masaya-tier4/.ros/log/8b1abb58-c4b5-11e8-9db5-9cb6d0b9d9b1/gazebo-2.log].
log file: /home/masaya-tier4/.ros/log/8b1abb58-c4b5-11e8-9db5-9cb6d0b9d9b1/gazebo-2*.log

Bug

Expected

gazebo succeed launch

Actual

gazebo was died