Click Profile that is where you add a state and select to e-file. You should have done that BEFORE filing fed. Some states can NOT be filed separately. 

You lucked out https://proconnect.intuit.com/support/en-us/help-article/electronic-filing/state-e-file-methods-stan...

Maybe @IntuitRebecca can tell us how to efile state only that is NOT standalone. She could also share any links that would tell us how to do with in the knowledgebase.