Pm Error - Urgent Help Needed!

[WFZ]

Hello,

When I try and access my PM's area, or try to send a PM, I keep recieving this Database error:

Please help!

Database error in vBulletin 3.7.0 Release Candidate 1:

Invalid SQL:

SELECT COUNT(*) AS total, folderid
FROM pm AS pm
WHERE userid = 1
GROUP BY folderid;

MySQL Error : Table './wfzdatabase/pm' is marked as crashed and should be repaired
Error Number : 145
Date : Sunday, March 23rd 2008 @ 05:37:50 PM
Script : http://www.wrestling-forums.net/private.php
Referrer : http://www.wrestling-forums.net/index.php
IP Address : 86.149.81.175
Username : Admin
Classname : vB_Database
MySQL Version : 5.0.15