Sounds like you may have
multiple Advantage accounts and you are getting notices from all of them. You can check by running this tool on each
email address you have:
https://myturbotax.intuit.com/account-recovery
If you find you have 2
advantage accounts then cancel one now so this doesn't happen again since they
have just reset the system to reflect an order for the 2017 program that comes
out in November 2017.
See this TurboTax support FAQ - https://ttlc.intuit.com/questions/1901052-how-do-i-cancel-my-turbotax-advantage-subscription