I’m unable to file my state taxes

Are you getting an error message when you try to file?  Or are you filing and the state return is rejected?

If the return is rejected, look at the reject message contained in the notification.  It should tell you the reason for the rejection.  If you no longer have the e-mail, you can check the e-file status of your return by clicking here:  Check your e-file status

If you don't see a reason for the rejection, go ahead and transmit the return again.  If you get the same rejection a second time and you see no mistakes on your return, select the file by mail option to paper-file your return. Sometimes, returns keep getting rejected even though there's nothing wrong with them (data mismatches and so forth).

In these cases, we recommend paper-filing by mail rather than wasting additional time trying to "fix" something that is beyond your control.