Troubleshooting Error #0 in World of Warcraft

What to do if your payments with these virtual cards are not completing successfully.

Expected payment processing and product delivery times for PayU boleto orders.

Information about why you may receive this error when you're attempting to make a purchase.

It is not possible to refund the gold spent on accidental purchases of skills

Information about this error message and troubleshooting steps

What to do if you buy a character boost but you don't see it the character selection screen or it doesn't boost your character when you use it

More information about heirloom refunds

Troubleshooting for in-game shop issues on Mac in Burning Crusade Classic

Information about what is included in the Dragonflight pre-purchase