Did you receive the advance child tax credit in 2021 for both children for the months of July thru December 2021? If so, that amount would have been $1,500 for each child if you received six months of credit for each child.
If you indicated that you did not receive the advance credit and the IRS has records showing that you received the credits, then the IRS removed $3,000 from child tax credit reported on Line 28 of your Form 1040.
