منتدى استراحات زايد

I'm receiving database error messages whilst attempting to use many of the forum functions.

Example:
Database error in vBulletin 3.8.4:
Invalid SQL:
SELECT setting.** settinggroup.grouptitle
FROM settinggroup AS settinggroup
LEFT JOIN setting AS setting USING(grouptitle)
WHERE settinggroup.displayorder 0
ORDER BY settinggroup.displayorder* setting.displayorder;
MySQL Error : Can't create/write to file '/tmp/#sql_d13_0.MYI' (Errcode: 13)
Error Number : 1
Request Date : Tuesday* December 15th 2009 @ 10:22:42 AM
Error Date : Tuesday* December 15th 2009 @ 10:22:42 AM
Script : http://www.sithtotalwar.com/forum/admincp/options.php?null=0
Referrer : http://www.sithtotalwar.com/forum/admincp/index.php?do=nav
IP Address : 203.59.167.137
Username : Emperor_Mel
Classname : vB_Database
MySQL Version : 5.0.81-community

I have logged into my cpanel and ran a repair and check and received the following:
fluidele_sithtotalwar.post
warning : Table is marked as crashed and last repair failed
warning : 10 clients are using or haven't closed the table properly
warning : Size of indexfile is: 2378752 Should be: 1832960
warning : Size of datafile is: 2356748 Should be: 2349576
error : Keypointers and record positions doesn't match
warning : Found 10523 parts Should be: 10252 parts
error : Corrupt

Please help.
Kind regards
Mel