Rejection Code IND-517-01 indicates that the first Dependent listed on your Form 1040 has already filed a Tax Return and claimed themself.
If your dependent made a mistake on their return and didn't indicate that they were being claimed as a Dependent they will need to Amend their Tax Return.
This link to the TurboTax Help page How to amend (change or correct) a return you already filed provides information on how to amend your tax return.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
