The achievement Secret Fish and Where to Find Them is not granted.

What to do if collecting all Essences for one role doesn't grant the Achievement

What to do if you purchased or refunded a Trader's Ottuk and the wrong item was consumed or returned.

What to do if you didn't get the Storm-Eater appearance from the Embodiment of the Storm-Eater item.

What to do if a complete stack of Echoing Storm Flightstone got consumed

What to do if your Brewfest tokens are missing.

What to do if Brundir died mid-jump and can not be looted in Wrath of the Lich King Classic

What to do if you didn't receive the quest We Need Each Other.

What to do if you can't open the Artisan's Satchel in your inventory.

What to do if you cannot see Archivist Roh-Senara or Archivist Roh-Suir to turn in quests for The Archivist's Codex storyline.