Turbotax will not let me enter the amounts for 2024 1099R

Which TurboTax program are you using?

The TurboTax online web-based editions?

Or the TurboTax desktop editions installed on a personal computer?  If desktop, Windows or Mac?

To enter, edit or delete a form 1099-R -

Click on Federal Taxes (Personal using Home and Business)
Click on Wages and Income (Personal Income using Home and Business)
Click on I'll choose what I work on (if shown)
Scroll down to Retirement Plans and Social Security
On IRA, 401(k), Pension Plan Withdrawals (1099-R), click the start or update button

Or enter 1099-r in the Search box located in the upper right of the program screen. Click on Jump to 1099-R