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Failed to load r_gripper_sensor_controller

When we try to run the pr2_props demo in Hydro, we get the following error from the pr2_props.launch file:

Failed to load r_gripper_sensor_controller Failed to load l_gripper_sensor_controller

Does anyone have any idea as to why the controllers don't load? When I switch back to Groovy, it works fine.

Thanks, Sarah

Failed to load r_gripper_sensor_controller

When we try to run the pr2_props demo in Hydro, we get the following error from the pr2_props.launch file:

Failed to load r_gripper_sensor_controller

Failed to load l_gripper_sensor_controller

Does anyone have any idea as to why the controllers don't load? When I switch back to Groovy, it works fine.

Thanks, Sarah