You may have an incomplete entry within the W-2 section that can be deleted.
To navigate to this section:
1.) Federal Taxes
2.) Wages and Income
3.) I'll Choose What I Work On
4.) Wages and Salaries
Click through the screens, if necessary, until you reach Here's Your W-2 Info
If there are any entries that do not belong, you can delete the information from TurboTax in this location.