Results gives a fatal error

Hello
I am running under Drupal 7.38 and have a new site with web form.
I have renamed the webform to basic (if this is important)
The webform works but when I click on results I get the following message
Fatal error: Call to a member function preview() on a non-object in /home/french2/public_html/archers-confolentais.org/sites/all/modules/webform/includes/webform.report.inc on line 35
This seems to indicate that there is a problem with the webform_table but a I can not find this. The code section is

if (!webform_variable_get('webform_table')) {
    // Load the submissions view
    $view = webform_get_view($node, 'webform_submissions');
    if ($user_filter) {
      if ($user->uid) {
        drupal_set_title(t('Submissions for %user', array('%user' => $user->name)), PASS_THROUGH);
      }
      else {
        drupal_set_title(t('Your submissions'));
        webform_disable_page_cache();
      }
      return $view->preview('default', array($node->nid, $user->uid));
    }
    else {
      return $view->preview('default', array($node->nid));
    }
  }

Any help in resolving this would be greatly appreciated.
I have already reloaded the module, run update.php and cleared all caches using phpmyadmin