Eklenti klasörünün adını değiştirip tüm eklentileri pasif edin. Düzelmezse şu dosyayı indirip ana dizini atıp çalıştırıp tekrar deneyin. testet.php yapın dosya adını çalıştırın.

<?php
/*
WordPress Force Upgrade Script
Copyright (C) 2006  Mark Jaquith
*/
function txfx_log($text) {
echo $text . '<br />';
}
switch ($_GET['step']) :
case "1":
require('wp-config.php');
txfx_log('WordPress loaded...');
require('wp-admin/upgrade-functions.php');
txfx_log('Upgrade functions loaded...');
wp_cache_flush();
txfx_log('Object cache flushed...');
make_db_current();
txfx_log('Database made current...');
upgrade_160();
txfx_log('Data upgraded...');
$wp_rewrite->flush_rules();
txfx_log('Rewrite rules flushed...');
wp_cache_flush();
txfx_log('Object cache flushed...');
txfx_log('<br />');
txfx_log('Hopefully that did it!  <strong>DELETE THIS FILE FROM YOUR SERVER NOW!</strong>');
txfx_log('And then, try to access your <code>/wp-admin/</code>');
break;
default :
txfx_log('This script will attempt to upgrade your database.  It is intended for users of WordPress 1.5 or later.');
txfx_log('<strong>You should delete this script from your server after you are done using it!</strong>');
txfx_log('<br />');
txfx_log('<a href="?step=1">Click here</a> to attempt the upgrade');
break;
endswitch;
?>