Contact support for a Password Retrieval Code, then head to the sign-in page and click on the "Forgotten password" link.
Sign in and then head to your "account" page from the navigation bar to your left and redeem the voucher.
Contact us through the contact link at the bottom of this page.
The event gets also cancelled in our system, we will make effort to refund your bet, please read thoroughly the Terms and Conditions page.