[Solved] Libary problem xdj-r1

Hello,

I have problem connected with create Libary, I created playlist and when i click on "Create Libary and remove USB device" automatically at the center of screen apper this "failed to write ti USB device" and after that "Failed to create the libary Please disconnect the USB device" then my usb dissapper on my computer and i have to plug out and plug into my usb to apper again.

Plase for help.

Best Regards.