После обновления до 2.5.22 не могу ничего сохранить - Joomla 2.5: Установка и обновление

Fatal error: Call to a member function add() on a non-object in /home/serhiy/kov4eg.org.ua/www/libraries/joomla/cache/storage/memcached.php on line 450

/**
	 * Lock cache index
	 *
	 * @return  boolean  True on success, false otherwise.
	 *
	 * @since   12.1
	 */
	protected function lockindex()
	{
		$looptime = 300;
		$data_lock = self::$_db->add($this->_hash . '-index_lock', 1, 30);

		if ($data_lock === false)
		{

			$lock_counter = 0;

			// Loop until you find that the lock has been released.  that implies that data get from other thread has finished
			while ($data_lock === false)
			{
				if ($lock_counter > $looptime)
				{
					return false;
					break;
				}

				usleep(100);
				$data_lock = self::$_db->add($this->_hash . '-index_lock', 1, 30);
				$lock_counter++;
			}
		}

		return true;
	}

	/**
	 * Unlock cache index
	 *
	 * @return  boolean  True on success, false otherwise.
	 *
	 * @since   12.1
	 */
	protected function unlockindex()
	{
		return self::$_db->delete($this->_hash . '-index_lock');
	}
}

public $caching = '0';
	public $cache_handler = 'memcached';

public $caching = '0';
	public $cache_handler = 'file';