If you are getting a 'Formsets" error that usually indicates an issue with a state tax return. Try deleting the state tax return. You can then go back and complete the state return which should remove this error.
See this TurboTax support FAQ for deleting a state tax return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/state-taxes/delete-state-return-turbotax...
