Posted October 02, 2015
Rasmuseeeriksson: Ye I bought it from G2A, I tried to refound it buy they said that I should talk to GOG about the problem, but since they havent answeared I looked for help here.
Looks like similar case to this one: https://www.gog.com/forum/general/armikrog_code_redeem_message_some_error/post7
Please follow Firek's instructions there.