Error: Data structure returned is not convertible in the requested format. Try to call this method with the parameters '&format=original&serialize=1'; you will get the original php data structure serialized. The data structure looks like this: $data = array ( 'Badoo' => array ( 0 => 'badoo.com', ), 'Bebo' => array ( 0 => 'bebo.com', ), 'BlackPlanet' => array ( 0 => 'blackplanet.com', ), 'Buzznet' => array ( 0 => 'buzznet.com', ), 'Classmates.com' => array ( 0 => 'classmates.com', ), 'Cyworld' => array ( 0 => 'global.cyworld.com', ), 'Douban' => array ( 0 => 'douban.com', ), 'Dribbble' => array ( 0 => 'dribbble.com', ), 'Facebook' => array ( 0 => 'facebook.com', 1 => 'fb.me', 2 => 'm.facebook.com', 3 => 'l.facebook.com', ), 'Fetlife' => array ( 0 => 'fetlife.com', ), 'Flickr' => array ( 0 => 'flickr.com', ), 'Flixster' => array ( 0 => 'flixster.com', ), 'Fotolog' => array ( 0 => 'fotolog.com', ), 'Foursquare' => array ( 0 => 'foursquare.com', ), 'Friends Reunited' => array ( 0 => 'friendsreunited.com', ), 'Friendster' => array ( 0 => 'friendster.com', ), 'Gaia Online' => array ( 0 => 'gaiaonline.com', ), 'Geni.com' => array ( 0 => 'geni.com', ), 'GitHub' => array ( 0 => 'github.com', ), 'Google+' => array ( 0 => 'plus.google.com', 1 => 'url.google.com', 2 => 'com.google.android.apps.plus', ), 'gree' => array ( 0 => 'gree.jp', ), 'Haboo' => array ( 0 => 'habbo.com', ), 'Hacker News' => array ( 0 => 'news.ycombinator.com', ), 'hi5' => array ( 0 => 'hi5.com', ), 'Hyves' => array ( 0 => 'hyves.nl', ), 'identi.ca' => array ( 0 => 'identi.ca', ), 'Instagram' => array ( 0 => 'instagram.com', 1 => 'l.instagram.com', ), 'lang-8' => array ( 0 => 'lang-8.com', ), 'Last.fm' => array ( 0 => 'last.fm', 1 => 'lastfm.ru', 2 => 'lastfm.de', 3 => 'lastfm.es', 4 => 'lastfm.fr', 5 => 'lastfm.it', 6 => 'lastfm.jp', 7 => 'lastfm.pl', 8 => 'lastfm.com.br', 9 => 'lastfm.se', 10 => 'lastfm.com.tr', ), 'LinkedIn' => array ( 0 => 'linkedin.com', 1 => 'lnkd.in', 2 => 'linkedin.android', ), 'LiveJournal' => array ( 0 => 'livejournal.ru', 1 => 'livejournal.com', ), 'Mastodon' => array ( 0 => 'mastodon.social', 1 => 'mastodon.cloud', 2 => 'mastodon.technology', 3 => 'mastodon.xyz', 4 => 'mastodon.at', 5 => 'mastodon.art', 6 => 'mamot.fr', 7 => 'pawoo.net', 8 => 'mstdn.io', 9 => 'mstdn.jp', 10 => 'friends.nico', 11 => 'ro-mastodon.puyo.jp', 12 => 'quey.org', 13 => 'botsin.space', 14 => 'social.tchncs.de', 15 => 'knzk.me', 16 => 'mastodont.cat', 17 => 'bitcoinhackers.org', 18 => 'fosstodon.org', 19 => 'chaos.social', 20 => 'cybre.space', 21 => 'vis.social', ), 'MeinVZ' => array ( 0 => 'meinvz.net', ), 'Mixi' => array ( 0 => 'mixi.jp', ), 'MoiKrug.ru' => array ( 0 => 'moikrug.ru', ), 'Multiply' => array ( 0 => 'multiply.com', ), 'MyHeritage' => array ( 0 => 'myheritage.com', ), 'MyLife' => array ( 0 => 'mylife.ru', ), 'my.mail.ru' => array ( 0 => 'my.mail.ru', ), 'Myspace' => array ( 0 => 'myspace.com', ), 'myYearbook' => array ( 0 => 'myyearbook.com', ), 'Nasza-klasa.pl' => array ( 0 => 'nk.pl', ), 'Netlog' => array ( 0 => 'netlog.com', ), 'Odnoklassniki' => array ( 0 => 'odnoklassniki.ru', ), 'Orkut' => array ( 0 => 'orkut.com', ), 'Ozone' => array ( 0 => 'qzone.qq.com', ), 'Peepeth' => array ( 0 => 'peepeth.com', ), 'Pinterest' => array ( 0 => 'pinterest.com', 1 => 'pinterest.ca', 2 => 'pinterest.ch', 3 => 'pinterest.co.uk', 4 => 'pinterest.de', 5 => 'pinterest.dk', 6 => 'pinterest.es', 7 => 'pinterest.fr', 8 => 'pinterest.ie', 9 => 'pinterest.jp', 10 => 'pinterest.nz', 11 => 'pinterest.pt', 12 => 'pinterest.se', ), 'Plaxo' => array ( 0 => 'plaxo.com', ), 'reddit' => array ( 0 => 'reddit.com', 1 => 'np.reddit.com', 2 => 'pay.reddit.com', ), 'Renren' => array ( 0 => 'renren.com', ), 'Skyrock' => array ( 0 => 'skyrock.com', ), 'Sonico.com' => array ( 0 => 'sonico.com', ), 'Sourceforge' => array ( 0 => 'sourceforge.net', ), 'StackOverflow' => array ( 0 => 'stackoverflow.com', ), 'StudiVZ' => array ( 0 => 'studivz.net', ), 'StumbleUpon' => array ( 0 => 'stumbleupon.com', ), 'Tagged' => array ( 0 => 'login.tagged.com', ), 'Taringa!' => array ( 0 => 'taringa.net', ), 'Telegram' => array ( 0 => 'web.telegram.org', 1 => 'org.telegram.messenger', ), 'Tuenti' => array ( 0 => 'tuenti.com', ), 'tumblr' => array ( 0 => 'tumblr.com', 1 => 't.umblr.com', ), 'Twitter' => array ( 0 => 'twitter.com', 1 => 't.co', ), 'V2EX' => array ( 0 => 'v2ex.com', ), 'Viadeo' => array ( 0 => 'viadeo.com', ), 'Vimeo' => array ( 0 => 'vimeo.com', ), 'Vkontakte' => array ( 0 => 'vk.com', 1 => 'vkontakte.ru', ), 'vkrugudruzei.ru' => array ( 0 => 'vkrugudruzei.ru', ), 'WAYN' => array ( 0 => 'wayn.com', ), 'WeeWorld' => array ( 0 => 'weeworld.com', ), 'Weibo' => array ( 0 => 'weibo.com', 1 => 't.cn', ), 'Windows Live Spaces' => array ( 0 => 'login.live.com', ), 'Xanga' => array ( 0 => 'xanga.com', ), 'XING' => array ( 0 => 'xing.com', ), 'YouTube' => array ( 0 => 'youtube.com', 1 => 'youtu.be', ), );