Problem: The IRS rejected your Federal Tax Return - not eFile.com - because the IRS eFile database indicates a First-Time Homebuyer Installment Payment is due for the Spouse SSN.
Solution: Sign into your eFile.com account: https://mytaxes.efile.com/1040/SignIn/, and review the First-Time Homebuyer installment payment entry. Include an amount on Schedule 2 and add Form 5405 if required. Click on Review on the left side and search for Federal Forms on the right.
Once you corrected this, continue with your re-eFile process. You can re-eFile your return at no additional charge.
Contact us with questions: https://www.efile.com/tax-service/contact/efile-contact/