I filled for 2021 Taxes, after I completed the filing process, It said my return / taxes are ready to mail. I still havent got my 2021 Tax return. What is going on

I filed my 2021 Taxes in March of 2022. It is now December 2022 and I still haven't got my tax return. I try to check on the status of my return on the IRS website and it cant find my return. Is there something I didnt do right? I don't know how to go back to 2021 Taxes to add or change it. Turbo tax is stuck in making me file for my 2022 taxes. I dont know what to do.