Solved
I thought I could do them separately?
No. You report all your income on one return. Did you already file a return and was it accepted? Then you need to mail in an Amended return to fix it and add the W2.
How to amend a 2016 Online return https://ttlc.intuit.com/questions/3402261-how-do-i-amend-my-2016-turbotax-online-return
How to amend a 2016 Online return https://ttlc.intuit.com/questions/3402261-how-do-i-amend-my-2016-turbotax-online-return
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.