Turbotax online wants me to file federal return again.
Has your federal been accepted? How to file state after federal
https://ttlc.intuit.com/community/e-file/help/how-do-i-e-file-my-state-after-i-already-filed-my-federal/00/26811
If you successfully e-filed your federal when getting to the filing window you must select mail it for the federal return while leaving e-file for state checked. if you mailed in your federal return you must mail in your state return.