It should be no different than misprinted pricing. Tough s*it, you’re obligated to accept the price listed.
Don’t get the printing wrong. Plus, too easy to not pay out...not a good enough excuse imo.
The “game” on the tickets is only window dressing and mean nothing, the winnings are determined by the barcode on the ticket. You don’t even have to scratch to win. If the barcode said he was a winner he would have a case.