有关 Controller Spawner couldn't find the expected controller_manager ROS interface.

我在运行Gazedo官网上的有关ROS的历程时,控制RRbot的那个,出现了如下错误:

[INFO] [WallTime: 1478097748.894894] [0.000000] Controller Spawner: Waiting for service controller_manager/load_controller
[WARN] [WallTime: 1478097779.128088] [3249.255000] Controller Spawner couldn't find the expected controller_manager ROS interface.
[rrbot/controller_spawner-1] process has finished cleanly
log file: /home/adalberahtyoung/.ros/log/fc306d7a-a102-11e6-ad52-6817295e02ae/rrbot-controller_spawner-1*.log

我的版本是:
ROS kinetic
Gazedo 7.1
其他的组件都有安好,
不知各位有何高见?
谢谢!
游客
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