404. That’s an error.
The requested URL /_/+1/confirm?hl=de&url=http%3A%2F%2Fwww.spiegel.de%2Fpanorama%2Fleute%2Fluxemburgs-prinz-guillaume-heiratet-stephanie-de-lannoy-a-862443.html&title=Prinzenhochzeit%20in%20Luxemburg%3A%20St%C3%A9phanie%20und%20Guillaume%20geben%20sich%20das%20Jo-Wort%20-%20SPIEGEL%20ONLINE%20-%20Panorama
was not found on this server. That’s all we know.