In TurboTax Desktop, step by step, the way to opt out of deferring the self-employment taxes is:
In Deductions & Credits:
Yes, I did that and still get the error. I was on the phone with someone this morning, and she said there may be a software bug causing this. The issue has been escalated. Thanks for the response, though.
I have tried leaving the line blank and then putting "0", but nothing is working. It really won't let me e-file my taxes and this is the first time this has happened. I've been using TurboTax since 2016. It's really frustrating.