During technical troubleshooting, you may need to fully uninstall and reinstall a game.
The game cannot log in due to corrupted cache data in the Users/Shared/Blizzard directory, or the directory's permissions are preventing the game from accessing the Users/Shared/Blizzard directory.
What to do if you find the Great Vault interface shows no rewards at all
Troubleshooting steps for resolving Diablo II (2000) characters not keeping their experience or items after playing.
Other players and non-player characters display "Unknown" instead of their name.
Sealed Chest items are unique and duplicates cannot be looted by players.
How to report scams with in-game services such as dungeon or raid carries and PvP boosting