If you did not file or pay for your TurboTax return before TurboTax shutdown their 2019 Online version at the end of October than your information was purged. To file your 2019 return with TurboTax now, you would need the 2019 download tax software, which is installed on your computer. You would also need to mail in your return, e-file for 2019 is also shutdown.
You can purchase the 2019 tax software from TurboTax at the following website. You can also check the internet for the software.
https://turbotax.intuit.com/personal-taxes/past-years-products/
Also see the following:
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-finish-a-prior-year-return-that-i-...
