The following issue has been confirmed:

After today’s maintenance, players who had purchased the Big Scoop Pass were able to reclaim rewards that had already been claimed.

We are performing an emergency maintenance to investigate and resolve this issue. Depending on the investigation, we may remove the extra rewards from the accounts of any Players who claimed them. We’ll let you know as soon as we know more.

We sincerely apologize for any inconvenience this may have caused.