gazebo does not work

[Azircarry]

When I execute the command below：
roslaunch rotors_gazebo mav_hovering_example.launch mav_name:=firefly world_name:=basic

My gazebo keeps going black and I get an error like this：

But when I enter the gazebo command in the new terminal, my gazebo works fine.
Can you help me, thanks

[SYS-zdk]

我也出现了这个问题。暂时还未解决。