TurboTax recommends filing both federal and state returns at the same time. But it's not a big deal. You'll just need to wait until your federal return has been accepted, then go back and e-file your state return. See instructions on how to proceed in the TurboTax FAQ below.
https://ttlc.intuit.com/replies/5269973
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
