I've had my 3DS long before getting my club nintendo account. I got the account because of the wii you and a couple days before making the account well debating whether to make it or not, I linked my wii U and 3DS with my nintendo network ID. Club N. does recognize that they are connected but I still can't register the system to get the coins owed to me.
I got my 3DS in april at the eariest.
Is there something that can be done? did I miss a deadline to register the system? Why can I not register my 3DS~?