Problem: According to IRS records, you've had the Earned Income Credit disallowed in a prior year. That means you'll need to add Information To Claim Refundable Credits After Dis-allowance to your return.
Solution: Sign into your eFile.com account at https://mytaxes.efile.com/1040/SignIn/, click on My Return and follow the instructions on the right side of your screen: Click on the green button "Add Information To Claim Refundable Credits After Disallowance" on that page. Complete the form and re-efile your federal and state returns at no extra charge.
Contact us here for further help: https://www.efile.com/tax-service/