I went on my Xbox one and I had two promo Christmas packs for free and as I opened my second pack it said I have a duplicate of this item so i quick selled it for 0 coins and all of the other players I had where gone with the quick selled item please get back to me a soon as possible
No one here can help you. This site is not affiliated with Xbox or EA.
The below links may be of help:Xbox Support - http://www.xbox.com/en-ca/xbox-one/...
OR
EA Support - http://www.ea.com/