I don't know, but it happens from time to time. Sometimes it lasts for 15 minutes and sometimes it lasts for hours.
You are not having a problem with your password, are you? That would not be good!
Don't worry the poor guy---they had an issue with accepting passwords a couple months back, about this time in the AM, actually---and it turned out to be routine maintenance. I was able to login to my accounts a few hours later. None were deleted.
If you can't login, check back in 24 hours. If you STILL can't login, your account has been deleted.
They are updating their systems or something things have not been moving on uk site for couple of days, message said site updating will cause things to be sluggish for few days. Seems to be settling down now.
So much for their vaunted cloud reliability. Amazon Web Service's isn't all that. When they have a problem, a ton of sites that rely on Amazon for service are down...dpreview (which Amazon owns), was also down yesterday.
Amazon has got worse as the night has gone on, can hardly get anywhere with it now, looking at listings and orders is about as far as it goes tonight, with an apologetic message coming up saying try again later!
Keeping logging and out works for me this morning, going in through Amazon.co.uk to my account and then seller account works as well, oh, and have to keep manually checking for sales as well, emails are not always coming through straight away.
You are definitely right about that horrible new home page layout Micky, it is awful!
amazon seller central down ? 
