After you file

hey so for some reason  I used my 2 kids for eic only can I amend and get the ctc? also can u help me with this.  

 when I first filed me and the ex accidentally put the same child on taxes wife's got rejected mine go accepted I removed the child from hers and refiled all was good could that be reason for these codes? thank you

424 examination request 01/27/2022

768 earned income credit 04/15/2022

810 refund freeze.               02/14/2022