1, network problem. If the age authentication on Amazon software fails due to network problems, please check the network cable and network configuration, and then re-authenticate the age on Amazon software after confirmation.

2. Account number problem. Due to account problems, the age authentication on Amazon software failed. Check whether the account information is bound with the information of the authenticator, and if not, replace the account. After changing your account, you can re-certify your age on Amazon software.