400. That’s an error.

Google cannot redirect you to http://cgi.ebay.fr/Livre-La-Television-Numerique-Terrestre-Dunod-2005_W0QQitemZ220179434636QQihZ012QQcategoryZ17732QQcmdZViewItem because the request was invalid.

This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.