Unable to complete quest "Something Different"

This error may happen when something interferes with the Battle.net desktop app uninstall process.

What to do if you cannot claim a game time gift code on your WoW account

Information on error BLZBNTBNA0000012

Information on Retrieving Item Information message.

Information on error BLZBNTBNA00000004

Information on error WOW51900314.

Information on error BLZBNTBNA00000006

Troubleshooting Majordomo Selistra's location for this quest

Information on error BLZBNTBNU00000004