GAB_ads Error please help

[fluentdesigns]

Here is the error im getting. Anyideas? I keep getting these emailed to me.

Database error in vBulletin 3.5.1:

Invalid SQL:
UPDATE GAB_ads SET hits=hits+1 WHERE id = 4;

MySQL Error : Got error 127 from table handler Error Number : 1030
Date : Wednesday, November 30th 2005 @ 02:23:27 AM
Script : http://www.planetminis.com/gab_redirect.php?id=4&t=1&forumid=&script=adv_inde x
Referrer :
IP Address : 64.209.74.229
Username : Unregistered
Classname : vb_database

[The Geek]

You need to repair your GAB_ads table (and quick ;) )

[fluentdesigns]

ive already done this though

[The Geek]

Here are a couple of links to check out:

http://www.vbulletin.com/forum/showthread.php?t=119380
http://www.databasejournal.com/features/mysql/article.php/10897_3300511_2

It looks like a repair and optimization is whats needed. Did you do it via phpMyAdmin or command line or vB?