In TurboTax Online Premier version, I have entered a IRS Form 1099-MISC with income reported in box 3 not subject to self-employment income. I followed the steps outlined by @Leonard Smith.
Go to Federal / Wages & Income / Your income and I am able to view Income from IRS Form 1099-MISC for both 2020 and 2021.
Then I deleted the entry by clicking the Delete trashcan icon to the right of the IRS Form 1099-MISC at the screen 1099-MISC Summary.
I re-entered a second IRS Form 1099-MISC following the same steps as before.
Go to Federal / Wages & Income / Your income and I am again able to view Income from IRS Form 1099-MISC for both 2020 and 2021.
I was not able to re-create this issue but I do not know all of the answers that you posted when entering the IRS Forms 1099-MISC.
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