Can't add openid on my wordpress site. (BB-3470)

I can't add my openID url on my personal Wordpress site skobkin.ru.
Bibucket shows an error on the page with address:
{{{
https://bitbucket.org/account/openid/redirect/?next=%2Faccount%2Fopenids%2F&aol-username=&openid-url=http%3A%2F%2Fskobkin.ru%2F&myopenid-username=&livejournal-username=&flickr-username=&wordpress-username=&verisign-username=&claimid-username=&openid_provider=http%3A%2F%2Fskobkin.ru%2F&openid_username=http%3A%2F%2Fskobkin.ru%2F\\
}}}
Error image: https://bitbucket.org/m/img/500.png