E-file reject IND-517-01 usually happens when you claim a dependent, but that person has filed a tax return and didn’t indicate that someone else can claim them as a dependent.
Less commonly, you can get reject code IND-517-01 if you entered your dependent's Social Security number incorrectly or if someone filed a return using your dependent's Social Security number.
First, double-check the Social Security number used on your return.
Once, you've verified their Social Security number is correct, select the scenario that best matches your own: