If you try to login the game via the guest account while you don't enter the game that is logged in the game with the linked account,

"The account is already in use" message pop-up may appear.

If you experienced the issue, please refer to the solution below.

■ How to resolve "The account is already in use" message pop-up

1. Complete the tutorial with the guest account

2. Log out the account in the [menu icon (☰) in the top-right corner of the game screen] - [Settings] - [Account]

3. The problem will be resolved when you reconnect the game with the linked account

If you need additional assistance, don't hesitate to contact our customer center through the button below.