Registrar error account when restoring a backup!

Hi

I’m trying to move a customer from a server to an other (both virtualmin). On old server I had the registrar plugin activated. On new one it’s not as the registrar plugin is outdated for Gandi. When I try to restore that backup, Virtualmin lists me features restored but registrar feature doesn’t appear which sounds logical as new server doesn’t have that feature. Then I accept the restore and then it fails on that error (even if I accept to continue restore on errors !).

No registrar account that be used to create the domain was found

Where is the problem ? (both servers run Ubuntu 18.04)

Thanks

Vincèn