Comment 2 for bug 1605945

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Kovid Goyal (kovid) wrote : Re: calibre bug 1605945

That's an error from libmtp saying it was unable to open the device.
Make sure the device is not openend in any other programs such as the
android file trasfer program. And you can also try: 1) different usb
cable/port 2) resetting the device.

 status invalid