I'm trying to simulate kobuki in gazebo based on http://wiki.ros.org/kobuki/Tutorials/Gazebo%20Simulation#Overview
I can bring up the empty world and the playground world. but when I try to launch the safe random walker using the following command
$ roslaunch kobuki_gazebo safe_random_walker_app.launch --screen
I see the following error:
Failed to load nodelet '/kobuki_safety_controller` of type `kobuki_safety_controller/SafetyControllerNodelet` to manager `mobile_base_nodelet_manager'
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