First of all, did you log into your old account in Ruhavik or created a new one?
If, as you write, you registered, then you created a new account and of course there are no units from your old account.
Please try logging into your old account.
If you still have problems, please send us information about problem by email - firstname.lastname@example.org
Indicate your old and new login (email) account, as well as ID (IMEI) and model trackers.