Error: INSERT INTO despacho_paquete(id, id_despacho, referencia_producto, precio_unidad, cantidad) VALUES (NULL, '', '', '', '0')
Cannot add or update a child row: a foreign key constraint fails (`innovasu_innovasuelas`.`despacho_paquete`, CONSTRAINT `despacho_paquete_ibfk_1` FOREIGN KEY (`id_despacho`) REFERENCES `despacho` (`id`) ON UPDATE CASCADE)