I had the same exact error with both my Fed and State returns this evening. I tried running the update but it kept saying I had the latest version. After wrestling with it for an hour, I changed my default browser to Google Chrome from MS Edge, ran a Chrome update to make sure I had the latest version, and cleared Cookies, Cache etc. When I went back into TurboTax, it allowed me to run an update. Once the update was complete, both Fed and State submitted with no problem. Hope this may help solve your problem as well. Good Luck
