Ciao, no mi da un messggio stranissimo :
Can't create table 'numero del data base .#__tdownloadstore_product' (errno: 150) SQL=CREATE TABLE IF NOT EXISTS `#__tdownloadstore_product` ( `id` INT UNSIGNED NOT NULL AUTO_INCREMENT, `title` VARCHAR(255) NOT NULL, `alias` VARCHAR(255) NOT NULL, `introtext` MEDIUMTEXT NOT NULL, `fulltext` MEDIUMTEXT NOT NULL COMMENT 'abs path', `catid` INT UNSIGNED NOT NULL, `metakey` VARCHAR(255) NULL DEFAULT NULL, `metadesc` VARCHAR(255) NULL DEFAULT NULL, `asset_id` INT UNSIGNED NOT NULL, `publish_up` DATETIME NULL DEFAULT '0000-00-00 00:00:00', `publish_down` DATETIME NULL DEFAULT '0000-00-00 00:00:00', `access` INT UNSIGNED NULL DEFAULT NULL, `images` TEXT NULL DEFAULT NULL, `urls` TEXT NULL DEFAULT NULL, `attribs` VARCHAR(5120) NULL DEFAULT NULL, `featured` INT(3) UNSIGNED NULL DEFAULT NULL, `state` TINYINT(3) NULL DEFAULT NULL, `created` DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00', `hits` INT UNSIGNED NOT NULL DEFAULT 0, `created_by` INT UNSIGNED NOT NULL, `modified` DATETIME NULL DEFAULT '0000-00-00 00:00:00', `modified_by` INT UNSIGNED NULL DEFAULT NULL, `checked_out` INT UNSIGNED NOT NULL DEFAULT 0, `checked_out_time` DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00', `language` CHAR(7) NOT NULL DEFAULT '*', `ordering` INT NOT NULL DEFAULT 0, `metadata` TEXT NULL DEFAULT NULL, `comingdate` DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00', `latest_version` VARCHAR(45) NULL DEFAULT NULL, `xreference` VARCHAR(50) NULL DEFAULT NULL, `created_by_alias` VARCHAR(255) NULL DEFAULT NULL, `licence_id` MEDIUMINT UNSIGNED NULL, `parent_id` INT UNSIGNED NULL DEFAULT NULL, `isfreedownload` TINYINT(1) NOT NULL DEFAULT 0, `usergroups_id` INT UNSIGNED NULL DEFAULT NULL, `totaldownloads` INT UNSIGNED NOT NULL DEFAULT 0, PRIMARY KEY (`id`), INDEX `catid` (`catid` ASC), INDEX `product_access_idx` (`access` ASC), INDEX `product_state_idx` (`state` ASC), INDEX `product_created_by_idx` (`created_by` ASC), INDEX `product_language_idx` (`language` ASC), INDEX `product_checkout_idx` (`checked_out` ASC), INDEX `product_comingdate_idx` (`comingdate` ASC), INDEX `product_featured_idx` (`featured` ASC), INDEX `product_licence_id_idx` (`licence_id` ASC), INDEX `product_parent_id_idx` (`parent_id` ASC), INDEX `product_publish_up_idx` (`publish_up` ASC), INDEX `product_publish_down_idx` (`publish_down` ASC), INDEX `product_usergroups_id_idx` (`usergroups_id` ASC), UNIQUE INDEX `alias_UNIQUE` (`alias` ASC), CONSTRAINT `fk_product_licence_id` FOREIGN KEY (`licence_id`) REFERENCES `#__tdownloadstore_licence` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk_product_parent_id` FOREIGN KEY (`parent_id`) REFERENCES `#__tdownloadstore_product` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION, CONSTRAINT `fk_tdls_product_usergroups_id` FOREIGN KEY (`usergroups_id`) REFERENCES `#__usergroups` (`id`) ON DELETE RESTRICT ON UPDATE CASCADE) ENGINE = InnoDB AUTO_INCREMENT = 1 DEFAULT CHARACTER SET = utf8 COLLATE = utf8_general_ci;