錯誤訊息:

SQLSTATE[42000]: Syntax error or access violation: 1239 Incorrect foreign key definition for 'fk.faq.product_id': Key reference and table reference don't match

產品表:

CREATE TABLE `product` (
    `id` BINARY(16) NOT NULL,
    `version_id` BINARY(16) NOT NULL,
    `created_at` DATETIME(3) NOT NULL,
    `updated_at` DATETIME(3) NULL,
    PRIMARY KEY (`id`,`version_id`),
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

常見問題表:

CREATE TABLE `faq` (
    `id` BINARY(16) NOT NULL,
    `question` VARCHAR(255) NULL,
    `answer` VARCHAR(255) NULL,
    `product_id` BINARY(16) NOT NULL,
    `created_at` DATETIME(3) NOT NULL,
    `updated_at` DATETIME(3) NULL,
    PRIMARY KEY (`id`),
    KEY `fk.faq.product_id` (`product_id`),
    CONSTRAINT `fk.faq.product_id` FOREIGN KEY (`product_id`) REFERENCES `product` (`id`,`version_id`) ON DELETE SET NULL ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

我建立了一個常見問題表，與產品表結合在一起，但是它總是出現錯誤，我找不到表中的問題在哪裡出錯了。謝謝幫忙。