mySQL quesry error ecc...

Dopo aver modificato le zezioni di un forum mi sono riconnesso al sito e mi dice che c'è questo errore

Codice:

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mySQL query error: SELECT ibf_topics.*,ibf_forums.name as forumname FROM ibf_topics LEFT JOIN ibf_forums ON ibf_forums.id=ibf_topics.forum_id WHERE ibf_forums.id IN () AND ibf_topics.approved=1 GROUP by ibf_topics.tid order by last_post DESC LIMIT 0,10

mySQL error: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near ') AND ibf_topics.approved=1 GROUP by ibf_topics.tid order by la
mySQL error code:
Date: Tuesday 12th of October 2004 06:15:20 PM

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Cosa devo fare per risolvere?[/quote]