I am encountering the same error. TurboTax somehow let me e-file my return despite this but my return was rejected with the reason "US_Schedule_H - We've identified a potential issue in your Federal tax return due to an error in our software." When I opened TurboTax again the program declared that the error was fixed...seems like this is NOT the case. I tried the workaround described above, which did not work. Since I should be receiving a refund I just get a message saying "you're not eligible to defer the social security portion of..."
