Using the book gives the error "That is already being used".
Information on Theater of Pain Mythic dungeon timer changes
The in-game UI does not update the season / weekly best M+ key
What to do when you have completed a higher difficulty Mythic+ keystone in time and did not receive any Mythic+ rating change ingame
Information about troubleshooting loading problems on consoles
Can't use the quest table to select a questing zone in Battle for Azeroth
Information about an issue with queueing for Heroic dungeons in BFA
Reputation bars for hostile reputations increase the opposite way than expected.
Information on an issue where a socketed gem is not providing its bonus.
What to do if you are short on Balance to complete a purchase