Cannot redeem vouchers

[McRooster]

I got some resource vouchers when I purchased ANNO 2070 but whenever I enter them they say its invalid. I have typed them the exact way they are on the voucher.

[e92Sz]

When did you get this Voucher? Did you checked the validity? Capslock Off?

[Calen]

McRooster, please send a ticket to support and include the code.. They will sort this out for you.