This view makes the site bug

Hi!
I've created this block with Views, but when it's enabled on a page, I can't load the page...

Fatal error: Maximum execution time of 30 seconds exceeded in /var/www/da5/includes/menu.inc on line 953

$view = new stdClass();
  $view->name = 'bloghead';
  $view->description = 'Headline blog';
  $view->access = array (
);
  $view->view_args_php = '';
  $view->block = TRUE;
  $view->block_title = 'A la Une';
  $view->block_header = '';
  $view->block_header_format = '1';
  $view->block_footer = '';
  $view->block_footer_format = '1';
  $view->block_empty = '';
  $view->block_empty_format = '1';
  $view->block_type = 'list';
  $view->nodes_per_block = '1';
  $view->block_more = FALSE;
  $view->block_use_page_header = FALSE;
  $view->block_use_page_footer = FALSE;
  $view->block_use_page_empty = FALSE;
  $view->sort = array (
    array (
      'tablename' => 'node',
      'field' => 'created',
      'sortorder' => 'DESC',
      'options' => 'normal',
    ),
  );
  $view->argument = array (
  );
  $view->field = array (
    array (
      'tablename' => 'node',
      'field' => 'title',
      'label' => '',
      'handler' => 'views_handler_field_nodelink',
      'options' => 'link',
    ),
    array (
      'tablename' => 'node',
      'field' => 'created',
      'label' => '',
      'handler' => 'views_handler_field_date',
    ),
    array (
      'tablename' => 'node_data_field_imgae_du_billet',
      'field' => 'field_imgae_du_billet_fid',
      'label' => '',
      'handler' => 'content_views_field_handler_group',
      'options' => 'normal',
    ),
    array (
      'tablename' => 'users',
      'field' => 'name',
      'label' => '',
    ),
    array (
      'tablename' => 'node',
      'field' => 'body',
      'label' => '',
      'handler' => 'views_handler_field_teaser',
    ),
  );
  $view->filter = array (
    array (
      'tablename' => 'node',
      'field' => 'type',
      'operator' => 'OR',
      'options' => '',
      'value' => array (
  0 => 'blog',
),
    ),
  );
  $view->exposed_filter = array (
    array (
      'tablename' => 'node',
      'field' => 'type',
      'label' => '',
      'optional' => '0',
      'is_default' => '0',
      'operator' => '0',
      'single' => '0',
    ),
  );
  $view->requires = array(node, node_data_field_imgae_du_billet, users);
  $views[$view->name] = $view;

Do you know why ?

Thank you