"We are aware that some Target gift cards were not fully activated and apologize for the inconvenience," said Target spokeswoman Molly Snyder to CNNMoney.
Snyder downplayed the number of cards affected as "less than .1% of the total sold during the holiday period," but declined to provide a tally of faulty cards.
She said the retailer will honor the problematic cards. Customers should bring the cards to the guest service desk at a Target store or call 800-544-2943.
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