Whenever this happens, please be reminded that there is nothing wrong in your account so keep calm.
This error message only means that your device and account has failed to properly sync to our server due to numerous reasons, one of which is a connection stability issue. To be able to remedy the issue, you will only need to restart the Brave Frontier app or the device itself to force the game to sync.
If the issue persists and you feel that you are not the only one encountering said issue, you can check our official Facebook page for any statement regarding issues such as this.
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