There are numerous reasons that an e-filed return may be rejected. Please see the TurboTax FAQ below with instructions on fixing a rejected return.
https://ttlc.intuit.com/replies/3302275
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***