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Ошибка при удалении категории: (mysql.connector.errors.IntegrityError) 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`sharky_tim`.`products`, CONSTRAINT `products_ibfk_1` FOREIGN KEY (`category_id`) REFERENCES `categories` (`id`))
[SQL: UPDATE products SET category_id=%(category_id)s WHERE products.id = %(products_id)s]
[parameters: [{'category_id': None, 'products_id': 22}, {'category_id': None, 'products_id': 23}]]
(Background on this error at: https://sqlalche.me/e/20/gkpj)
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