database erreor

[sabahor]

look this a huge problem i cant delet posts !!!
pic:


the error

Database error in vBulletin 4.0.1:

Invalid SQL:

		 	DELETE searchcore, searchcore_text 
			FROM searchcore AS searchcore JOIN 
				searchcore_text AS searchcore_text ON 
					searchcore.searchcoreid = searchcore_text.searchcoreid 
			WHERE searchcore.groupcontenttypeid = 2 AND 
				searchcore.groupid = 28;

MySQL Error   : Table './sabahor_drz/searchcore_text' is marked as crashed and should be repaired
Error Number  : 145
Request Date  : Friday, March 19th 2010 @ 08:07:29 AM
Error Date    : Friday, March 19th 2010 @ 08:07:29 AM
Script        : http://www.drz.co.il/inlinemod.php?do=dodeletethreads&threadids=29,28,262
Referrer      : http://www.drz.co.il/inlinemod.php?forumid=2
IP Address    : 109.65.108.56
Username      : sabahor
Classname     : vB_Database
MySQL Version : 5.1.41