You can reset your Two-Factor Authentication through the following process.
1. Click "Lost Two-Factor Authenticator"
2. Enter your account and password, and click "Send Me Instructions"
3. Open your mailbox, find an email with the subject "Reset 2-Factor Authentication instructions"
Click the link in the email, and you'll be able to reset your 2-Factor setup.
Feel free to create a ticket if you still have any problems, we'll be glad to assist you!