حل مشكله MySQL Error : Unknown column 'post.username' in 'field list

Database error in vBulletin 3.8.4:

Invalid SQL:

SELECT
post.*, post.username AS postusername, post.ipaddress AS ip, IF(post.visible = 2, 1, 0) AS isdeleted,
user.*, userfield.*, usertextfield.*,
icon.title as icontitle, icon.iconpath,
avatar.avatarpath, NOT ISNULL(customavatar.userid) AS hascustomavatar, customavatar.dateline AS avatardateline,customavatar.width AS avwidth,customavatar.height AS avheight,
spamlog.postid AS spamlog_postid,
deletionlog.userid AS del_userid, deletionlog.username AS del_username, deletionlog.reason AS del_reason,
editlog.userid AS edit_userid, editlog.username AS edit_username, editlog.dateline AS edit_dateline,
editlog.reason AS edit_reason, editlog.hashistory,
postparsed.pagetext_html, postparsed.hasimages,
sigparsed.signatureparsed, sigparsed.hasimages AS sighasimages,
sigpic.userid AS sigpic, sigpic.dateline AS sigpicdateline, sigpic.width AS sigpicwidth, sigpic.height AS sigpicheight,
IF(displaygroupid=0, user.usergroupid, displaygroupid) AS displaygroupid, infractiongroupid


FROM post AS post
LEFT JOIN user AS user ON(user.userid = post.userid)
LEFT JOIN userfield AS userfield ON(userfield.userid = user.userid)
LEFT JOIN usertextfield AS usertextfield ON(usertextfield.userid = user.userid)
LEFT JOIN icon AS icon ON(icon.iconid = post.iconid)
LEFT JOIN avatar AS avatar ON(avatar.avatarid = user.avatarid) LEFT JOIN customavatar AS customavatar ON(customavatar.userid = user.userid)
LEFT JOIN spamlog AS spamlog ON(spamlog.postid = post.postid)
LEFT JOIN deletionlog AS deletionlog ON(post.postid = deletionlog.primaryid AND deletionlog.type = 'post')
LEFT JOIN editlog AS editlog ON(editlog.postid = post.postid)
LEFT JOIN postparsed AS postparsed ON(postparsed.postid = post.postid AND postparsed.styleid = 4 AND postparsed.languageid = 6)
LEFT JOIN sigparsed AS sigparsed ON(sigparsed.userid = user.userid AND sigparsed.styleid = 4 AND sigparsed.languageid = 6)
LEFT JOIN sigpic AS sigpic ON(sigpic.userid = post.userid)

WHERE post.postid IN (0,102)
ORDER BY post.dateline;

MySQL Error : Unknown column 'post.username' in 'field list'
Error Number : 1054
Request Date : Thursday, October 15th 2009 @ 12:56:11 PM
Error Date : Thursday, October 15th 2009 @ 12:56:11 PM
Script : http://www.example.com/a/showthread.php?p=102
Referrer :
IP Address : 41.238.65.288
Username : example
Classname : vB_Database
MySQL Version : 5.0.81-community



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