INSERT INTO Subscription(date_start, term, id_subscriber, id_publication)
VALUES ('2022-07-25', 190, 1, 1),
       ('2022-08-01', 105, 1, 8),
       ('2022-10-13', 64, 3, 2),
       ('2022-11-27', 24, 5, 7),
       ('2022-09-30', 17, 6, 4),
       ('2022-07-08', 50, 3, 3),
       ('2022-08-09', 30, 5, 5),
       ('2022-10-18', 28, 1, 6),
       ('2022-09-23', 27, 6, 9),
       ('2022-11-01', 43, 4, 3),
       ('2022-08-29', 30, 5, 9),
       ('2022-10-16', 28, 2, 6),
       ('2022-11-06', 10, 2, 8);


Ответ MySQL: 
#1452 - Cannot add or update a child row: a foreign key constraint fails (`Pochta`.`Subscription`, CONSTRAINT `Subscription_ibfk_1` FOREIGN KEY (`id_subscriber`) REFERENCES `Subscriber` (`id_subscriber`) ON DELETE CASCADE)