Chybný dotaz na databázi!
Cannot add or update a child row: a foreign key constraint fails (`amaterska_liga`.`anketa_users`, CONSTRAINT `FK_anketa_users_1` FOREIGN KEY (`id_anketa`) REFERENCES `anketa` (`id`) ON DELETE CASCADE ON UPDATE CASCADE)

INSERT INTO anketa_users (id_anketa, ip) VALUES (165, '34.204.11.236')