There are a few reasons why you might see this page. If you've already set up your account, please try to access your account via the log-in page, not through the link in your invite email. If you haven't already created a password, you're most likely seeing this page because your invitation has expired or been canceled by the individual or company who invited you in the first place - probably best to reach out to them and find out more.
If you think something has gone wrong with an invitation or has been canceled for security reasons by mistake, please contact us at support@veratrak.com.