To fix it, try these options:
By deleting the form and starting over:
- Open your return.
- Select Tax Tools in the left-hand menu.
- Click on Tools.
- Select Delete a form.
By clearing your browsers cookies and cache: How do I delete cookies
How to clear your cache
*** On the other hand, you don't need to include your 1099 NEC as long as you haven't filed your tax return yet. But make sure to keep it for your records.