Some wrong about "roslaunch rbx1_vision openni_node.launch"

edit

When i used the command “roslaunch rbx1_vision openni_node.launch"

 lyt@lyt-HP-Pavilion-dv4-Notebook-PC:~$ roslaunch rbx1_vision openni_node.launch 
... logging to /home/lyt/.ros/log/007777fa-cfde-11e3-98fc-e3cd0bbb1ee7/roslaunch-lyt-HP-Pavilion-dv4-Notebook-PC-4255.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

it give me a wrong answer:

**unused args [name] for include of [/home/lyt/catkin_ws/src/openni_launch/launch/includes/manager.launch]**

And the manager.launch:

 <launch>
 <!-- have all the old parameters to prevent roslaunch errors -->
 <arg name="manager" default="" />
 <arg name="debug" default="" />
 <arg name="num_worker_threads" default="" />
 <!-- deprecation notice -->
 <node name="manager_deprecated"
    pkg="rgbd_launch"
    type="hydro-upgrade-notice"
    required="true">
  <param name="name" value="manager.launch" />
  <param name="from_pkg" value="openni_launch" />
  <param name="to_pkg" value="rgbd_launch" />
  <param name="from_pkg_path" value="launch/includes/manager.launch" />
  <param name="to_pkg_path" value="launch/includes/manager.launch.xml" />
 </node>
 </launch>

A part of openni_node.launch:

<include file="$(find openni_launch)/launch/includes/manager.launch">
<arg name="name" value="$(arg manager)" />
<arg name="debug" value="$(arg debug)" />
</include>

Anyone know how to handle it? Thank you~