Hello, it's the Lies of P Team.
We have received reports related to Deluxe Edition purchasers.
We sincerely apologise for the inconvenience it has caused.
From our investigations, the current issue seems to be caused by the configuration changes made from Valve's end.
It may be an extra step of inconvenience but please contact Steam Support for further assistance as all refunds and payments are handled by Valve.
Once again we deeply apologise for the inconvenience this issue has caused.
Thank you,
The Lies of P Team.