My Steinberg

Hi guys,
About my USB Licenser registration… There are a error messsage. "This USB Licenser number are registred already…

How to resolve this? Because i’m the real owner of the my USB Licenser and there are not no one USB Licenser registred in my steinberg. Any help will be welcome. Thanks.

better to contact steinberg support directly by phone or mail

thank you.
maybe i already have registred and no remember me of the e-mail registred…