Chyba aplikace nebo serveru: Cannot add or update a child row: a foreign key constraint fails (`net-hodinkycz`.`prefix_dph`, CONSTRAINT `prefix_dph_ibfk_1` FOREIGN KEY (`id_obchodu`) REFERENCES `prefix_admin_logs` (`id_obchodu`) ON DELETE CASCADE ON UPDATE CASCADE) : INSERT INTO prefix_dph (`id_obchodu`,`id_dph`,`hodnota`,`poradi`) VALUES ('497', '0', '21', '1') ON DUPLICATE KEY UPDATE `id_obchodu`='497', `id_dph`='0', `hodnota`='21', `poradi`='1'