<p>Cannot add or update a child row: a foreign key constraint fails (`ricalco`.`sh_banner_items`, CONSTRAINT `sh_banner_items_ibfk_2` FOREIGN KEY (`id_banner`) REFERENCES `sh_banner` (`id_banner`) ON DELETE CASCADE ON UPDATE CASCADE)</p><p>Errore query: INSERT INTO sh_banner_items SET
				  id_banner_item = '10', 
			id_banner = '',
			item = '',
			id_lingua = NULL,
			video = NULL,
			link = NULL,
			date_start = NULL,
			date_end = NULL,
			position = NULL,
                        views    = 0,
                        clicks = '1'
		
				  ON DUPLICATE KEY UPDATE 
			id_banner = '',
			item = '',
			id_lingua = NULL,
			video = NULL,
			link = NULL,
			date_start = NULL,
			date_end = NULL,
			position = NULL,
                        views    = 0,
                        clicks = '1'
		 </p>