problems with Database Forge class

[eluser]chejnik[/eluser]
Hello,
I have problems with Database Forge class.

I call this function in my model view called Creation_model

Code:

function create_DB()
    {
         $this->load->dbforge();
    if ($this->dbforge->create_database('my_db'))
    {
    echo 'Database created!';
    }

   }

There comes the error. In log file (level 2)

DEBUG - 2008-02-20 16:50:22 --> Model Class Initialized
DEBUG - 2008-02-20 16:50:22 --> Creation model started
DEBUG - 2008-02-20 16:50:22 --> Database Forge Class Initialized
ERROR - 2008-02-20 16:50:22 --> Severity: Notice --> Undefined property: Creation_model::$dbforge /var/www/apache2-default/codeIgniter/system/application/models/creation_model.php 332

Thanks for any help. With regards Ales