منتدى استراحات زايد

I tried upgrading. It took more than 30 minutes on part 12, so I restarted the upgrade. It did not work. I got this error at the end of my upgrade:
Database error in vBulletin 3.8.4:

Quote:
Invalid SQL:
ALTER TABLE vb_post ADD INDEX ipaddress (ipaddress);

MySQL Error : Duplicate key name 'ipaddress'
Error Number : -1
Request Date : Friday, March 5th 2010 @ 12:59:00 AM
Error Date : Friday, March 5th 2010 @ 01:10:08 AM
Script : http://www.xxx.com/install/upgrade_400a1.php?step=12
Referrer :
IP Address :
Username :
Classname : vB_Database
MySQL Version :

and now I am getting this error in my email:

Quote:
Database error in vBulletin 3.8.4:

Invalid SQL:

SELECT post.*,
IF(post.visible = 2, 1, 0) AS isdeleted,

editlog.userid AS edit_userid, editlog.dateline AS edit_dateline, editlog.reason AS edit_reason, editlog.hashistory

FROM vb_post AS post

LEFT JOIN vb_editlog AS editlog ON (editlog.postid = post.postid)

WHERE post.postid = 395903;

MySQL Error : Can't open file: 'vb_post.MYI' (errno: 144)

Error Number : 1016
Request Date : Friday, March 5th 2010 @ 01:39:29 AM
Error Date : Friday, March 5th 2010 @ 01:39:29 AM
Script : http://www.xxx.com/showthread.php?p=395903
Referrer :
IP Address :
Username : Unregistered
Classname : vB_Database
MySQL Version :

please help