about 1 year ago - UbiMark - Direct link
Hi there,

Thanks for reaching out and I'm sorry to hear that you are experiencing an authentication error.

This error usually means that you are trying to start your game from the wrong Ubisoft account, where your game hasn't been originally activated.

If this problem persists, feel free to create a ticket[support.ubi.com] on our support page.

You can also contact us via social media: Facebook[www.facebook.com] or Twitter.

Our team will be more than happy to assist you further.

If you have any additional questions, please let us know.

- Ubisoft Support