I just moved my site to new host...error messages

I move my site to a new host using Cpanel Backup/Restore. Now with SEF advance on I get this message.... I had to turn it off to get the site to work.

Error Message:

www.modelgasboats.com/index.php?option=com_frontpage&Itemid=38 24.212.13.31 /magazine.html www.modelgasboats.com Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3 404