Looking at your account, we can see a Studio One 2 OEM Artist that came with your Nektar Keyboard, any customer who buys a Nektar Keyboard with a Studio One 2 key gets an automatic upgrade to Studio One 3 OEM Artist. The Studio One 2 OEM license although not activated itself is not transferrable as the Studio One 3 OEM Upgrade is not an full license without the original Studio One 2 OEM as it's base.
In your case, the Studio One 3 OEM Artist which has been registered on Dec 25, 2016, was recently activated on Dec 12, 2016, if the Studio One 3 OEM license had not been activated, then this would not have been an issue.
If you transfer the Studio One 3 OEM License, then the Studio One 2 OEM will go with it.