This is a known issue that is currently being worked on. I've included a FAQ that provides additional information, as well as a link within the FAQ where you can click to receive email notifications when updates related to this issue become available:
https://ttlc.intuit.com/replies/6630168
Some users are finding a work around by deleting the state return, re-adding and completing the state return and paying the fee for the state return at the checkout step. Please be sure that you do not confuse paying for your Federal return with paying for your state return fee, as they are separate fees.
