Error message

• Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/includes/common.inc:2567) in drupal_send_headers() (line 1207 of /var/www/html/includes/bootstrap.inc).
• PDOException: SQLSTATE[HY000]: General error: 11 database disk image is malformed: INSERT INTO {watchdog} (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?); Array ( [0] => 0 [1] => cron [2] => %type: !message in %function (line %line of %file). [3] => a:6:{s:5:"%type";s:12:"PDOException";s:8:"!message";s:156:"SQLSTATE[HY000]: General error: 11 database disk image is malformed: SELECT w.wid AS wid FROM {watchdog} w ORDER BY wid DESC LIMIT 1 OFFSET 999; Array ( ) ";s:9:"%function";s:12:"dblog_cron()";s:5:"%file";s:40:"/var/www/html/modules/dblog/dblog.module";s:5:"%line";i:113;s:14:"severity_level";i:3;} [4] => 3 [5] => [6] => http://e-securenetworks.net/?q=user/register&destination=node/16%23comment-form [7] => [8] => 184.72.91.94 [9] => 1369181208 ) in dblog_watchdog() (line 157 of /var/www/html/modules/dblog/dblog.module).