IRS says I owe $400K from 2022 disabled vet

2022 I bought a house and sold it. I’d just left military and was very sick. I did my return in 2023. The letter said the title company reported $383k and I also owe interest now since 2022?? I JUST got the letter (Nov 2024) I have no idea what they’re talking about!!! Also TurboTax doesn’t show anywhere on my return where I would put that? I did it online can anyone help?

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