Page not found

user warning: Table './arthakranti_website/watchdog' is marked as crashed and should be repaired query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (0, 'page not found', 'sites/default/files/Webisodes_Download/16-Policeman-image.flv', 'N;', 4, '', 'http://arthakranti.org/sites/default/files/Webisodes_Download/16-Policeman-image.flv', 'http://arthakranti.org/downloads/videos', '27.251.150.66', 1388726467) in /var/www/html/arthakranti.org/modules/dblog/dblog.module on line 147.
The requested page could not be found.