Hi there xMrDocTorll,
When you see the message this usually means the game is connected to either the wrong Steam account or the wrong Ubisoft account.
In order to help you find the correct one, you would need to get in touch with us through our support channels as we are unable to ask you personal identifiable information over the forums.
Twitter Support -
https://twitter.com/UbisoftSupport
Facebook Support -
https://www.facebook.com/UbisoftSupportUK/
Ubisoft Support Website -
https://support.ubisoft.com/en-gb/Cases/New
If you reach out to us via our social media channels, please make it a private Direct Message with as much of the following information as possible -
Ubisoft username
Ubisoft email address
Any linked accounts such as PSN / Gamertags / Steam ID code / Epic ID code
We will do our best to locate your correct account where you activated the game.