After you file

When you go through the File tab there are 3 steps.  Keep going to the very end.  Does it think you are mailing your return?

 

You can try to switch to efile.   Click on Add a State to let you back into your retun.

  https://ttlc.intuit.com/community/e-file/help/how-do-i-change-from-mail-to-e-file-in-turbotax-online...