Oh no. Did you file 2018 online this year? Online is only for 2019 so the IRS thought it was your 2019 return.
You now have to Amend that return to be for 2019. You have to delete the 2018 info and enter 2019 info
How to amend an Online return
https://ttlc.intuit.com/community/amending/help/how-do-i-amend-my-turbotax-online-return/00/
Amended returns can only be MAILED not efiled.
Then if you still need to do 2018. To do 2018 you have to buy the Desktop Download program here
https://turbotax.intuit.com/personal-taxes/past-years-products/