Database Error

[WorldCraft]

Are we allowed to post about errors here? I apologize if this isn't allowed or if I've made this thread in the wrong section.

All users are having issues posting. They receive the following error when attempting to reply to threads.

If I try to repair the table: http://screenshooter.net/9879478/nthoinc

Database error in vBulletin 4.2.0:

Invalid SQL:
INSERT INTO searchcore (username, contenttypeid, primaryid, groupcontenttypeid, groupid, ipaddress, userid, dateline, searchgroupid)
VALUES ( '', 3, 12, 3, 12, 0, 0, 1346005238, 12 )
ON DUPLICATE KEY UPDATE username = VALUES(username), contenttypeid = VALUES(contenttypeid), primaryid = VALUES(primaryid), groupcontenttypeid = VALUES(groupcontenttypeid), groupid = VALUES(groupid), ipaddress = VALUES(ipaddress), userid = VALUES(userid), dateline = VALUES(dateline), searchgroupid = VALUES(searchgroupid);

MySQL Error : Incorrect key file for table './site_vb/searchcore.MYI'; try to repair it
Error Number : 126
Request Date : Sunday, August 26th 2012 @ 01:20:38 PM
Error Date : Sunday, August 26th 2012 @ 01:20:38 PM
Script : http://www.website.com/forums/newreply.php?do=postreply&t=5740
Referrer : http://www.website.com/forums/showthread.php?5740-General-Chat-Thread-2&p=283002
IP Address : 72.226.106.65
Username : mike406
Classname : vB_Database_MySQLi
MySQL Version : 5.5.25-log

[ForceHSS]

if you would just take a few mins open your eyes read the error and do what it asks then you would not need to post