member profile db error
 

when i click on MOST of my usernames i get a db error, my username however doesnt have that problem.

problem: http://www.web-hosting-talk.org/member.php?u=733

Code:
Database error in vBulletin 3.6.8:

Invalid SQL:
SELECT `avatar`.`avatarpath`,`customavatar`.*,`customprof ilepic`.*,`user`.*,`usertextfield`.`buddylist` FROM `mst_user` AS `user` LEFT OUTER JOIN `mst_usertextfield` AS `usertextfield` ON (`usertextfield`.`userid` = `user`.`userid`) LEFT OUTER JOIN `mst_avatar` AS `avatar` ON (`avatar`.`avatarid` = `user`.`avatarid`) LEFT OUTER JOIN `mst_customavatar` AS `customavatar` ON (`customavatar`.`userid` = `user`.`userid`) LEFT OUTER JOIN `mst_customprofilepic` AS `customprofilepic` ON (`customprofilepic`.`userid` = `user`.`userid`) WHERE `user`.`userid` IN (mknjhill) ORDER BY `user`.`username` ASC;

MySQL Error : Unknown column 'mknjhill' in 'where clause'
Error Number : 1054
Date : Thursday, May 28th 2009 @ 10:56:13 AM
Script : http://www.web-hosting-talk.org/member.php?u=733
Referrer : http://www.web-hosting-talk.org/
IP Address : 216.67.27.120
Username : mknjhill
Classname : vB_Database
any ideas?? i have like 100 mods installed, and am kinda freaking out i dont want to reinstall for a stupid member profile issue...