Ubuntu18.04运行gazebo的launch文件[model-4] process has died报错
启动gazebo仿真环境报错[model-4]processhasdied[model-4]processhasdied[pid2059,exitcode1,cmd/opt/ros/melodic/lib/gazebo_ros/spawn_model-urdf-modelmycar-paramrobot_description__name:=model__log:=/root/.ros/log/8