YOU_CAN_ONLY_SEND_A_VERIFICATION_EMAIL_TO_AN_UNVERIFIED_EMAIL

await authClient.sendVerificationEmail({
    email: "user@email.com",
    callbackURL: "/" // The redirect URL after verification
})

{
    "code": "COULDNT_UPDATE_YOUR_EMAIL",
    "message": "Couldn't update your email",
    "status": 400,
    "statusText": "BAD_REQUEST"
}