Same problem others are having with Form 7206. TurboTax Deluxe won't let me efile my return. 2/10/2024. Software is updated.
See this TurboTax support FAQ for the problem - https://ttlc.intuit.com/turbotax-support/en-us/help-article/insurance-medical-benefits/form-7206-added-return-turbotax-required-file/L9490jQnO_US_en_US?uid=lseshtac