Offered a credit card but then stopped

I am a current customer of Nedbank ( Gold cheque account), and without requesting it, I was offered a credit card by Nedbank. About a week later, I received sms confirmation to congratulate me. then I got an sms to update my address. which turned out to be a spelling mistake on their side. Then last week, I received two separate mms's to welcome me to the rewards program for the credit card. Today , I started worrying that the card may have been lost in the system, and phoned Nedbank. <br> According to the operator, my cc account was \opened and closed on the same day". Another 15 minutes later "