The error message I get if I try to efile the Fed is "Your client's federal return is not eligible for electronic filing for the following reason: All earned income for the Earned Income Tax Credit (EITC) is calculating from undocumented sources"   It's a common error if you have self employed's with no kids who qualify for the EITC.  But that's not the point or the issue.

Missouri will let you efile without a Federal return being efiled.  But for some reason the efiled Form 4868 is hanging up the process of elfiling the state this time.