Upgrade from 4.2.0 to beta22 again

[محروم.كوم]

Upgrade from vBulletin 4.2.0 Patch Level 3


PHP Code:
An error has occurred with your database. Please contact vBulletin Support for assistance.

Module: 500a1, Step 1 Database Error:1005

Can't create table 'anwarg8sinak.page' (errno: 121)

Query:

CREATE TABLE page (
`pageid` int(10) unsigned NOT NULL AUTO_INCREMENT,
`parentid` int(10) unsigned NOT NULL,
`pagetemplateid` int(10) unsigned NOT NULL,
`title` varchar(200) NOT NULL,
`metakeywords` varchar(200) NOT NULL,
`metadescription` varchar(200) NOT NULL,
`urlprefix` varchar(200) NOT NULL,
`routeid` int(10) unsigned NOT NULL,
`moderatorid` int(10) unsigned NOT NULL,
`displayorder` int(11) NOT NULL,
`pagetype` enum('default','custom') NOT NULL DEFAULT 'custom',
PRIMARY KEY (`pageid`)
) ENGINE = InnoDB
__DEFINE_LIKE_SHARE__