This return has already been submitted. Verify that you have the correct identifying information on the return. You may need to print and mail your return.

[nancybogota]

The federal form was rejected for my client [client name removed],  but the form was not submitting before.  The State of California accepted it not the federal.

[Just-Lisa-Now-]

Please remove your clients name from your public post.

So someone already filed a federal return for that SSN...maybe they used the IRS Non filer site to get the stimulus?

[George4Tacks]

It sounds like either (a) you have the SSN wrong or (b) that SSN has already been used on a tax return.

If (a) correct and submit federal only and Call FTB to correct the accepted return.

If (b) you will need to send a paper return and warn the client there might have been identify theft.