It's a known bug in the system. Comcast is aware of the issue and is working to resolve it. If you like, I'm sure an employee on these forums would be happy to help you.
I'd be more than happy to review and discuss the offers that are available to you. If you would like assistance, please feel free to reach out in a private message verifying your account information. To send a private message click on my name "ComcastChe", then click private message me. In the body of this message please verify your first and last name, the phone number, street address including city state and zip code, and the full account number or phone number associated with your services and we can start there.