I received the same error last week when completing my tax return. Customer service advised me to remove any value from line 11. That cleared the error in the software, but NOT the issue with the return. My return was rejected and cannot be fixed. The email I received indicated that they fixed the issue, but apparently not. I'll be calling back. I am not self employed, but do have a household employee.
Update: Don't bother deleting the Schedule H form. This doesn't fix the issue. I tried to delete and re-enter but the issue still comes up in Review.
