Please help Urgent Matches/clans on click redirect to 404

Please help me.. My site was working fine few days ago. As i got busy, i came to edit it last night.. Now i see is, when i click on any match under the matches section it throws a 404 page not found. I tried cretaing a member called thundercatzzzz and after creating and on clicking it, i get a 404.

You can see my site.

http://www.indiangamerclans.com

go to clan-wars->matches-> click on any match and 404.. it takes me back to your old pages like morbi-ornare-3/opem-li-stutum etc… whats happeneing here.. please help