MKRFOX 1200:unable to renew subscription after 2Y

HEllo
2 years ago I started to work with this board. Thus subscription stop few days ago
This device is yet registered. Not a new device.
Does-anybody, try and success to renew, his suscription?
no easy link to understand how to do that...
Thanks

Same problem here.

https://forum.arduino.cc/index.php?topic=478766.60