Attachments storage error

[creative-friend]

hello

today i was trying to move my attachments frm database to filesystem but i got this database error

Database error in vBulletin 3.8.4:
Invalid SQL:
SELECT attachmentid, filename, filedata, filesize, userid, thumbnail
FROM attachment
WHERE attachmentid >= 9600 AND attachmentid < 9900
ORDER BY attachmentid ASC;
MySQL Error : Lost connection to MySQL server during query
Error Number : 2013
Request Date : Monday, February 15th 2010 @ 06:57:13 PM
Error Date : Monday, February 15th 2010 @ 06:57:14 PM
Script : http://www.pakistanipoint.com/adminc...moveattachment
Referrer : http://www.pakistanipoint.com/adminc...o=doswitchtype
IP Address :
Username : Master Mind
Classname : vB_Database
MySQL Version :

please tell me wots the problem