E-file reject IND-526 happens when the date of birth for the second person listed on the return is either incorrect or doesn't match IRS records.
First, get a copy of your 2022 Form 1040 and find the second person listed. Then, find an official document like a birth certificate, passport, or driver's license, to ensure you have the correct date.
Select your version of TurboTax for instructions and be sure to enter the date in the standard U.S. format of MM/DD/YYYY.