The following was posted last year on February 16 and only says that it was resolved after talking to ProSeries via phone.  Since it's Sunday and that isn't an option.  Is anyone having this issue with 2021 returns or knows a fix.  I have tried all the same things listed - moving the kids around, deleting and re-entering them, etc.  It still throws the error on whomever is child #1.  Thanks for any help you might have.

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I have a client who has three children present on the return. Two qualify for the child and dependent care credit and I have filled out form 2441 and included the amounts paid for each child on the Info Worksheet. The return keeps getting rejected with error code F2441-524 which says "each Qualifying Person Name Control and and the corresponding Line 2 column b SSN must match data from the IRS Master File". The error states that it's the 1st qualifying child listed on the form that's the problem.

I've double checked the information for each child and confirmed it's correct. However, I removed the first child listed on form 2441 and then added him back in so now he is listed on form 2441 as the second child. I then received the same rejection error for the qualifying child listed on line 1. So I'm getting the same rejection error no matter which child is listed on line 1 of the form which doesn't make sense.