The IRS - not eFile.com - has rejected your return and you are required to make a correction, due to an incorrect EIN number.
Solution: Please sign in to your eFile.com account now and click on My Return in the upper left and review the IRS message on the right.
1. Sign in: https://mytaxes.efile.com/1040/SignIn/
2. Then click on Federal Taxes on the left.
Then click on Review below and on the right side the link: I'd like to see the forms I've filled out or search for a form
Scroll through your forms and check the EIN. Make necessary updates and re-eFile your returns at no charge.
If you have questions, please contact us as soon as possible so we can assist you with your Tax Return.