@cody_engstrom7958 while @VolvoGirl 's response is 'spot on', in all these 'complaints' about reduced refunds the issue is the same in every case:
when entering data into TT, you were asked to enter a) how much you received for the 3rd stimulus and b) how much you received for the advance child tax credit
If you under-reported what you received, that inflated the refund request on your tax return. Since the IRS knows what they sent you, they are checking what they sent vs. what you said you received and reducing the refund by the difference.
The IRS beleives you received the $2800 back in the March - May. 2021 time frame. I suspect you had a child in 2021 which obviously the IRS did not know about, so you are entitled to $1400 on Line 30 and $3600 on Line 28.
if you google articles on IRS errors, literally millions and millions of taxpayers made the same mistake. if that is any consolation.
