Invalid SQL - Error, please help

[Killsparer]

Hi,

without installing a hack or messing around with the code,
all users suddenly get this error-message while attempting to access the control panel:

Datenbank Fehler in vBulletin 2.3.0:

Invalid SQL: SELECT * FROM forum,subscribeforum WHERE subscribeforum.forumid=forum.forumid AND userid=2 ORDER BY title
mysql error: Got error 28 from table handler

mysql error number: 1030

Datum: Tuesday 06th of May 2003 09:20:02 PM
Script: http://www.projektstarwars.de/forum/forum/usercp.php
Referer:

Could you please identify the error or give me a hint?

I hope, this is no database-corruption. And another mystery for me is the "/forum/forum/usercp.php" part.