Error: Feed failed! Causes may be (1) No data found for RSS feed http://seo-group1.odoo.com/shop/links-1-sep-3-5; (2) There are no items are available for this feed; (3) The RSS feed does not validate.
Please verify that the URL http://seo-group1.odoo.com/shop/links-1-sep-3-5 works first in your browser and that the feed passes a validator test.