実績を完了できない場合の対処方法 Fa-la-la-la-Ogri'la

You can only have one copy of a unique item at a time

These errors can be caused by temporary server issues in a specific region.

Information on upgrade paths for standard Call of Duty: Modern Warfare

​There was an error when trying to save a new banner.

All Black Market Auction House purchases are final.

Information on error BLZHROPAY10010102

Parental controls may prevent purchases on your account.

Information on error BLZSC2PAY10010102

プレイヤーがメインでクエストを完了したと報告し、代替キャラクターでクエストを完了できない