Update: This issue has now been fixed. Please see the full update here: Poker Town: Season Pass Reset Issue Resolved.
Pogo has released a statement regarding Poker Town:
We’re aware that some players are seeing their Season Pass progress reset. Our team is currently investigating the issue. Thanks for your patience while we look into this. We’ll provide an update as soon as we have more information.
We’ll be sure to keep you posted here when this issue has been resolved.
Thankfully I’m not effected by this