It would be helpful for us to know what the 1099-MISC is reporting to give you a more accurate answer, but for the program to NOT insist it's Self-Employment income, you need to answer the interview questions in the 1099-MISC section a certain way:
To do that-
Enter the 1099-MISC Under
Wages & Income
Other Common Income
Income from Form 1099-MISC START
Enter the 1099-MISC as it was reported,
Type the reason for the payment in for the description,
Select "None of these apply" for uncommon situations,
"NO" not like main job, only got it in 2024,
"NO" no intent to earn money, DONE
These are TurboTax questions, not IRS questions. These need to be the answers to let TurboTax know it is not Self-Employment.