Please look for that W-2 in your list of forms and delete it that way.
When you re-enter, please type it in manually, don't import or upload it.
Online
Click Tax Tools then Tools on the left side bar near the bottom
Click "Delete a form " on the Tools Summary Screen
Scroll down, look for any W-2's listed that shouldn't be there, plus the one causing the error and select delete
Confirm to delete
Re-enter by typing in the information from the W-2.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"