Please ensure that your social security number is inputted correctly on all forms that require it. If it is and you are still not able to proceed further, you may need to print and mail in your return. The following FAQ explains how to do so.
https://ttlc.intuit.com/community/printing/help/how-do-i-print-and-mail-my-return-in-turbotax-online...
If you need further assistance, use the following link to contact customer support.
https://support.turbotax.intuit.com/contact/
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