Error: Duplicate entry '1' for key 'PRIMARY'

[edgmtz]

Podrían decirme por favor donde se encuentra el error!?

Código MySQL:

CREATE TABLE IF NOT EXISTS `nuke_users` (   
  `user_id` int(11) NOT NULL AUTO_INCREMENT,
  `warned` int(1) NOT NULL DEFAULT '0',
  `user_joined` int(20) NOT NULL,
  `name` varchar(60) NOT NULL DEFAULT '',
  `username` varchar(25) NOT NULL DEFAULT '',
  `user_email` varchar(255) NOT NULL DEFAULT '',
  `user_room` varchar(100) NOT NULL,
  `last_active` int(20) NOT NULL DEFAULT '0',
  `last_msg` int(20) NOT NULL DEFAULT '0',
  `active` int(1) NOT NULL DEFAULT '0',
  `rank` int(1) NOT NULL DEFAULT '1',
  `apanel` int(1) NOT NULL DEFAULT '0',
  `kicked` int(1) NOT NULL DEFAULT '0',
  `banned` int(1) NOT NULL DEFAULT '0',
  `reset` int(1) NOT NULL DEFAULT '0',
  `warning_text` varchar(300) NOT NULL DEFAULT 'Never Warned',
  `profile_age` int(3) NOT NULL DEFAULT '0',
  `profile_sex` int(1) NOT NULL DEFAULT '0',
  `profile_bio` varchar(300) NOT NULL DEFAULT '0',
  `profile_avatar` varchar(100) NOT NULL DEFAULT 'no_avatar.jpg',
  `last_poll` varchar(25) NOT NULL DEFAULT '0',
  `private_poll` varchar(25) NOT NULL DEFAULT '0',
  `profile_location` varchar(100) NOT NULL DEFAULT 'Unknown',
  `user_ip` varchar(30) NOT NULL,
  `femail` varchar(255) NOT NULL DEFAULT '',
  `user_website` varchar(255) NOT NULL DEFAULT '',
  `user_avatar` varchar(255) NOT NULL DEFAULT '',
  `user_regdate` varchar(20) NOT NULL DEFAULT '',
  `user_icq` varchar(15) DEFAULT NULL,
  `user_occ` varchar(100) DEFAULT NULL,
  `user_from` varchar(100) DEFAULT NULL,
  `user_interests` varchar(150) NOT NULL DEFAULT '',
  `user_sig` varchar(255) DEFAULT NULL,
  `user_viewemail` tinyint(2) DEFAULT NULL,
  `user_theme` int(3) DEFAULT NULL,
  `user_aim` varchar(18) DEFAULT NULL,
  `user_yim` varchar(25) DEFAULT NULL,
  `user_msnm` varchar(25) DEFAULT NULL,
  `user_password` varchar(40) NOT NULL DEFAULT '',
  `storynum` tinyint(4) NOT NULL DEFAULT '10',
  `umode` varchar(10) NOT NULL DEFAULT '',
  `uorder` tinyint(1) NOT NULL DEFAULT '0',
  `thold` tinyint(1) NOT NULL DEFAULT '0',
  `noscore` tinyint(1) NOT NULL DEFAULT '0',
  `bio` tinytext NOT NULL,
  `ublockon` tinyint(1) NOT NULL DEFAULT '0',
  `ublock` tinytext NOT NULL,
  `theme` varchar(255) NOT NULL DEFAULT '',
  `commentmax` int(11) NOT NULL DEFAULT '4096',
  `counter` int(11) NOT NULL DEFAULT '0',
  `newsletter` int(1) NOT NULL DEFAULT '0',
  `user_posts` int(10) NOT NULL DEFAULT '0',
  `user_attachsig` int(2) NOT NULL DEFAULT '0',
  `user_rank` int(10) NOT NULL DEFAULT '0',
  `user_level` int(10) NOT NULL DEFAULT '1',
  `broadcast` tinyint(1) NOT NULL DEFAULT '1',
  `popmeson` tinyint(1) NOT NULL DEFAULT '0',
  `user_active` tinyint(1) DEFAULT '1',
  `user_session_time` int(11) NOT NULL DEFAULT '0',
  `user_session_page` smallint(5) NOT NULL DEFAULT '0',
  `user_lastvisit` int(11) NOT NULL DEFAULT '0',
  `user_timezone` tinyint(4) NOT NULL DEFAULT '10',
  `user_style` tinyint(4) DEFAULT NULL,
  `user_lang` varchar(255) NOT NULL DEFAULT 'english',
  `user_dateformat` varchar(14) NOT NULL DEFAULT 'D M d, Y g:i a',
  `user_new_privmsg` smallint(5) unsigned NOT NULL DEFAULT '0',
  `user_unread_privmsg` smallint(5) unsigned NOT NULL DEFAULT '0',
  `user_last_privmsg` int(11) NOT NULL DEFAULT '0',
  `user_emailtime` int(11) DEFAULT NULL,
  `user_allowhtml` tinyint(1) DEFAULT '1',
  `user_allowbbcode` tinyint(1) DEFAULT '1',
  `user_allowsmile` tinyint(1) DEFAULT '1',
  `user_allowavatar` tinyint(1) NOT NULL DEFAULT '1',
  `user_allow_pm` tinyint(1) NOT NULL DEFAULT '1',
  `user_allow_viewonline` tinyint(1) NOT NULL DEFAULT '1',
  `user_notify` tinyint(1) NOT NULL DEFAULT '0',
  `user_notify_pm` tinyint(1) NOT NULL DEFAULT '0',
  `user_popup_pm` tinyint(1) NOT NULL DEFAULT '0',
  `user_avatar_type` tinyint(4) NOT NULL DEFAULT '3',
  `user_sig_bbcode_uid` varchar(10) DEFAULT NULL,
  `user_actkey` varchar(32) DEFAULT NULL,
  `user_newpasswd` varchar(32) DEFAULT NULL,
  `points` int(10) DEFAULT '0',
  `last_ip` varchar(15) NOT NULL DEFAULT '0',
  `sexo` int(11) NOT NULL DEFAULT '0',
  `user_group_cp` int(11) NOT NULL DEFAULT '2',
  `user_group_list_cp` varchar(100) NOT NULL DEFAULT '2',
  `user_active_cp` enum('YES','NO') NOT NULL DEFAULT 'YES',
  `user_lastvisit_cp` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `user_regdate_cp` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY (`user_id`),
      KEY `uid` (`user_id`),
  KEY `uname` (`username`),
  KEY `user_session_time` (`user_session_time`)
) ENGINE=UnnoDB  DEFAULT CHARSET=latin1 AUTO_INCREMENT=125 ;