What Desktop program are you using first 2024? Online is for personal returns. You can transfer 2023 into 2024 personal Desktop program but not into Turbo Tax Business. For a Business return you need to manually add the Assets as new.
How to transfer into Windows Desktop
https://ttlc.intuit.com/community/entering-importing/help/transfer-last-year-s-return-to-turbotax-fo...
If you used the Online version last year you can Transfer it into the Desktop installed personal program. Starting in 2023 there are new buttons when you start a new Desktop return. You can Import from Online or Continue from Online depending if you are signed in or not. So look for those.
