Help Understanding IRS Transcript with Refund Freeze, Removed $21,441 Credit, and Unexpected Amended Return Codes

I've been staring at my transcript for hours and honestly im so confused. The codes and dates are making my head spin. Can someone who knows how to read these things tell me what im looking at and what I should do next? Really need this refund and dont want to mess anything up. Here's what my transcript shows: TAXABLE SELF-EMPLOYMENT INCOME TAXPAYER: $991.00 SPOUSE: $0.00 TOTAL SELF EMPLOYMENT TAX: $152.00 RETURN DUE DATE OR RETURN RECEIVED DATE (WHICHEVER IS LATER) Apr. 16, 2024 PROCESSING DATE Apr. 16, 2024 TRANSACTIONS CODE EXPLANATION OF TRANSACTION | CYCLE | DATE | AMOUNT 150 Tax return filed | 20241305 | 04-16-2024 | $252.00 80221-432-43887-4 806 W-2 or 1099 withholding | 04-16-2024 | -$678.00 810 Refund freeze | 02-09-2024 | $0.00 766 Credit to your account | 04-16-2024 | -$1,521.00 766 Credit to your account | 04-16-2024 | -$21,441.00 768 Earned income credit | 04-16-2024 | -$4,095.00 971 Amended tax return or claim forwarded for processing | 10-23-2024 | $0.00 977 Amended return filed | 10-23-2024 | $0.00 43277-698-02811-4 767 Reduced or removed credit to your account | 04-16-2024 | $21,441.00 290 Additional tax assessed | 20245005 | 12-31-2024 | $0.00 18254-737-05172-4 971 Notice issued | 12-31-2024 | $0.00 I'm really confused by all of this. Why is there a "Refund freeze" from February? And why does it show a credit to my account for $21,441 but then immediately shows "Reduced or removed credit" for the exact same amount? Does that mean they gave me money and then took it back? And I notice there's something about an "Amended return filed" in October, but I don't remember filing an amended return? The earned income credit shows $4,095 but I don't know if I'm actually getting that. With the W-2 withholding of $678 and other credits, shouldn't I be getting a decent refund? I'm completely lost on what these codes mean and what's happening with my money. Any help would be greatly appreciated!