You can just go back into your return fix the error, unless it would be easier to delete it and start over.
Here
are the steps for deleting unwanted forms in TurboTax Online:
Open
your return in TurboTax. (To do this, sign in to TurboTax, and select the Take me to my return button.)
In the
left side bar, select Tax Tools> Tools.
In the pop-up window
Tool Center, choose Delete a form.
Select Delete next to the form/schedule/worksheet and
follow the onscreen instructions.
