What to do if your quest log isn't showing your quests in World of Warcraft

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

Payment failed. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.

Information on this error when looting fish or fishing items

What to do if you can't complete one of these quests.

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

Troubleshooting steps for resolving payment error in Heroes of the Storm.

Troubleshooting steps for error "Game Initialization Failed" when launching a game

Information on error BLZ51901021

Information on error BLZ51900001