Typically this message indicates that you are trying to e-file a return that contains forms that must be mailed in. Please see this TurboTax Help Article for detailed information Why Can't I E-file my Return? As you walk through the review stage of your return, TurboTax should indicate which form(s) cannot be e-filed.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"