I just signed up for an Stack Exchange account. I am trying to log in at area51, but get No login found error.

Specifically,

1. I go to https://area51.stackexchange.com/
2. I click on log in which is a link to https://area51.stackexchange.com/users/login?returnurl=%2f
3. I am redirected to https://meta.stackexchange.com/users/login?returnurl=https%3a%2f%2farea51.stackexchange.com%2fusers%2flogin-or-signup%2fdelegated%3freturnurl%3dhttps%253a%252f%252farea51.stackexchange.com%26type%3dlogin&cdl=1 that shows Completing log in to Area 51 You will be redirected automatically (I am already logged in into my StackExchange account)
4. I am redirected to https://area51.stackexchange.com/users/login-or-signup/delegated?returnurl=https%3a%2f%2farea51.stackexchange.com&type=login showing Unable to log in with your OpenID provider: No user found Log in or Sign up

I get identical results using Firefox, Chrome, and IE