This error means your email address is not verified.
Check verification mail received from SafeMinor service into your email's Inbox/Junk folder.
Click on verification link for verify your account.
If verification link not clickable, then login into SafeMinor portal at https://cp.safeminor.com
and when it ask for verification enter verification code that received in mail.
If you have not received verification email, you can resend email from login at https://cp.safeminor.com/