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

喧嘩祭で現実のお金を購入する際の問題のトラブルシューティング

Blizzardアカウント管理ページの「取引履歴」ページに関する情報

Battle.net Appの「connect to」が間違ったサーバーに接続している場合の対処方法

Troubleshooting steps to help you connect to World of Warcraft

You will receive this error if you attempt to purchase an item on an account with no game time.

Other players and non-player characters display "Unknown" instead of their name.

This article explains the process of speaking to a Game Master (GM).

You will receive this error if you attempt to purchase an item on an account with no game time.

Troubleshooting for latency and connection issues in Heroes of the Storm.