- The button to start duels is greyed out
- Duels mode is not unlocked for me
- Error: "There was an error starting your game. please wait a few minutes and try again."
- Error: "There was an error ending your duels session."
In order to play Duels, you must first have every class at level 10 or above. This includes the Demon Hunter.
If you receive the error: "There was an error starting your game", this means you are trying to use a deck that contains cards which are not playable in Duels. If you imported your deck from the deck builder, delete the deck and create a new one in-game.