Server error: temporarily unavailable

I’m trying to import two large Figma files one is about 460 MB and the other around 750 MB. The import process stays in the “importing” state for a while, but the files never finish importing. On the import pop-up, when I click “Open in new tab,” nothing happens (using Figma Desktop). I tried doing this in both desktop and Chrome browser.

Eventually, I get an error saying: “Figma server is unavailable—wait a bit and try again.”
It’s been 3 days that I’ve been facing this issue. Could you please guide me?

In console it’s showing 503 service unavailable error.
Sentry event id: ec406d2b75484688a8d81dea8f2b8290