//createAction in userController
    public function createAction()
    {
        $this->view->pageTitle = 'Create User';
        require_once APPLICATION_PATH . '/models/Users.php';
        $userForm = new Form_User();
        if ($this->_request->isPost()) {
            if ($userForm->isValid($_POST)) {
                $userModel = new Model_User();
                $user = $userModel->createUser(
                        $userForm->getValue('email'),
                        $userForm->getValue('password'),
                        $userForm->getValue('url'),
                        $userForm->getValue('responsable'),
                        $userForm->getValue('role')
                );
                $paises = $this->getRequest()->getParam('pais');
                $userId = intval($user['id']);

                require_once APPLICATION_PATH . '/models/UserHasPais.php';
                $paisesModel = new Model_UsersHasPais($userId);
                $paisesModel->updateUserPais($paises); // This seems to be the problem

                return $this->_forward('list');
            }
        }
    $userForm->setAction('/user/create');
    $this->view->form = $userForm;
    }

//users model (I promise I'll never have models as tables again, but right now I just want to get this done with)

class Model_User extends Zend_Db_Table_Abstract {
    /**
     * The default table name
     */
    protected $_name = 'users';

    public function createUser($email, $password, $url, $responsable, $role)
    {
    // create a new row
        $rowUser = $this->createRow();
        if($rowUser) {
            // update the row values
            $rowUser->email = $email;
            $rowUser->password = md5($password);
            $rowUser->url = $url;
            $rowUser->responsable = $responsable;
            $rowUser->role = $role;
            $rowUser->save();
            //return the new user
            return $rowUser;
        } else {
        throw new Zend_Exception("El usuario no se ha podido crear!");
        }
    }
}

//users_has_pais model

class Model_UsersHasPais extends Zend_Db_Table_Abstract
{
    protected $_name = 'users_has_pais';

    public function __construct($userId)
    {
        $this->userId = $userId;
    }

    public function updateUserPais(array $paises)
    {
        $rowPais = $this->createRow();
        if($rowPais) {
            foreach($rowPais as $pais) {
                $rowPais->users_id = $this->userId;
                $rowPais->pais_id = $pais;
                $rowPais->save();
            }
        }
    }
}
/** The ERROR message
Fatal error: Call to a member function describeTable() on a non-object in /home/fiodorovich/library/ZendFramework/library/Zend/Db/Table/Abstract.php on line 834
**/