From the IRS instructions for form 1099-Misc: Form 1099-MISC incorrect? If this form is incorrect or has been issued in error, contact the payer. If you cannot get this form corrected, attach an explanation to your tax return and report your income correctly. You cannot efile with an attachment. You will have to mail in your return.
The key to getting TurboTax to treat it as other income is to follow these steps:
Enter the 1099-Misc
On the next screen Describe what the payment was for
On the next screen select "none of these apply"
On the next screen select "No it didn't involve work like my main job"
On the next screen select "I got it in 2019" ONLY
On the next screen select No, it didn't involve intent to earn money
TT will put the amount on line 8 of Schedule 1 as other income
