If you entered wrong information and get rejected, you will have to amend your tax return.
You will not be able to amend your tax return until it has been accepted by the IRS. Please see the below FAQ for more information on amending a 2019 tax return:
https://ttlc.intuit.com/community/amending/help/how-do-i-amend-my-turbotax-online-return/00/27577