I don't get it? I used the correct code btw
My Lord i just answered to you here in Bug Section :
https://plarium.com/forum/en/stormfall-age-of-war/50_bug-reports/211008_reward-code-not-working/
If you want you can also contact the Support directly ask them to verify if there was something wrong with your account , here is the link for the Support :
https://plariumsupport.zendesk.com/hc/en-us/requests/new?ticket_form_id=168105
I wish you a good day and good battles !😈