openni usb interface is not supported

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Hi,

I have an ASUS XTION PRO LIVE camera and I am using ROS Hydro on Ubuntu 12.04.

When I plug the camera into my USB 2.0 and launch

roslaunch openni_launch openni.launch

I get the error:

[ INFO] [1403448288.150558365]: No matching device found.... waiting for devices. Reason: openni_wrapper::OpenNIDevice::OpenNIDevice(xn::Context&, const xn::NodeInfo&, const xn::NodeInfo&, const xn::NodeInfo&, const xn::NodeInfo&) @ /tmp/buildd/ros-hydro-openni-camera-1.9.2-0precise-20140524-2223/src/openni_device.cpp @ 61 : creating depth generator failed. Reason: USB interface is not supported!

Does anyone know what could fix the problem? Thanks in advance!