Mapping is gone? DDJ-RB Pioneer


When i open DJAY PRO Windows 10 version my Pioneer DJ DDJ-RB lost his config.
now i see a thing in my sceen : djay has found a new midi device named 2 - DDJ-RB do you want to configure the device now, when i say yes i have to create the buttons, when i press no the controller doesnt work.
its on my laptop en PC, 5 days before none problems.

pleas help!