Civi Views componet relationship handlers have error

Current relationship handler to CiviCampaign in views - civicrm_event.inc is

// Link to Campaign Table
if (isset($enabled['CiviCampaign']))

{ $data['civicrm_event']['campaign_id'] = array( 'title' => t('Campaign'), 'help' => t('Event -> Campaign'), 'relationship' => array( 'base' => 'civicrm_campaign', 'field' => 'id', 'handler' => 'views_handler_relationship', 'label' => t('Event -> Campaign'), ), 'field' => 'id' should be 'base field' => 'id' This is repeated in other ic files that have a CiviCampaign relationship handler. ); }