You cannot e-file a state return unless your federal return was already e-filed using TurboTax and accepted.
If you already prepared and filed your federal using TT and now need to e-file the state:
https://ttlc.intuit.com/turbotax-support/en-us/help-article/state-taxes/e-file-state-already-filed-federal/L1utGncEc_US_en_US?uid=m7xgrjec