Ошибка - Joomla 2.5: Установка и обновление

CREATE TABLE IF NOT EXISTS `#__postinstall_messages` (
  `postinstall_message_id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `extension_id` bigint(20) NOT NULL DEFAULT 700 COMMENT 'FK to #__extensions',
  `title_key` varchar(255) NOT NULL DEFAULT '' COMMENT 'Lang key for the title',
  `description_key` varchar(255) NOT NULL DEFAULT '' COMMENT 'Lang key for description',
  `action_key` varchar(255) NOT NULL DEFAULT '',
  `language_extension` varchar(255) NOT NULL DEFAULT 'com_postinstall' COMMENT 'Extension holding lang keys',
  `language_client_id` tinyint(3) NOT NULL DEFAULT '1',
  `type` varchar(10) NOT NULL DEFAULT 'link' COMMENT 'Message type - message, link, action',
  `action_file` varchar(255) DEFAULT '' COMMENT 'RAD URI to the PHP file containing action method',
  `action` varchar(255) DEFAULT '' COMMENT 'Action method name or URL',
  `condition_file` varchar(255) DEFAULT NULL COMMENT 'RAD URI to file holding display condition method',
  `condition_method` varchar(255) DEFAULT NULL COMMENT 'Display condition method, must return boolean',
  `version_introduced` varchar(50) NOT NULL DEFAULT '3.2.0' COMMENT 'Version when this message was introduced',
  `enabled` tinyint(3) NOT NULL DEFAULT 1,
  PRIMARY KEY (`postinstall_message_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 DEFAULT COLLATE=utf8mb4_unicode_ci;