There's literally nothing we can do.

There's even a grace period, but no way to undo a 'lost' bounty or to do anything once the bounty period is over.

There's literally nothing we can do.

There's even a grace period after the one week/168 hours, but no way to undo a 'lost' bounty or to do anything once the bounty period is over.

meta.se's got an in depth answer that has basically everything anyone needs to know on bounties