Refund from U2.com?

[Cutters10C]

Hey I tried to use the link that I got in an e-mail to get a refund since it turns out I will not be able to get tickets for the tour. It did not work, does anyone know why this would be or how I would go about getting a refund?

 

[Cutters10C]

My access code has not been used by the way.