Выполни SQL-запросы:
CREATE TABLE IF NOT EXISTS `pp_site` (
  `id` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT,
  `uid` bigint(20) UNSIGNED NOT NULL,
  `url` varchar(2500) NOT NULL,
  `status` tinyint(3) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
ALTER TABLE `pp_click` ADD `site` bigint(20) UNSIGNED NOT NULL;