This kind of issue is absurdly common. I’ve seen basically the same thing with Microsoft, Amazon and Google—personally and with others.
With Google, it’s well-documented that sometimes, even if you don’t have 2FA turned on and you know your password, they simply won’t let you log in without some sort of additional verification… which may not be possible. This hit me once while overseas, I think I managed to get in by tunnelling through my VPS in Australia. And if you can’t do this, you’re stuck, because Google simply doesn’t have support.
With Amazon, I was finally able to find one way of contacting them that didn’t require signing in, and when I finally got to a human, the problem was immediately fixed.
With Google, it’s well-documented that sometimes, even if you don’t have 2FA turned on and you know your password, they simply won’t let you log in without some sort of additional verification… which may not be possible. This hit me once while overseas, I think I managed to get in by tunnelling through my VPS in Australia. And if you can’t do this, you’re stuck, because Google simply doesn’t have support.
With Amazon, I was finally able to find one way of contacting them that didn’t require signing in, and when I finally got to a human, the problem was immediately fixed.