Notice: Undefined index: extension in stage_file_proxy_fetch_file() (line 340 of /var/www/science-and-education/Expeditions-website/drupal/sites/all/modules/stage_file_proxy/stage_file_proxy.module).
Notice: Only variables should be passed by reference in field_landing_page_for_term() (line 60 of /var/www/science-and-education/Expeditions-website/drupal/sites/all/modules/field_museum_util/field_museum_util.module).
Notice: Only variables should be passed by reference in custom_menu_field_block_block_view() (line 23 of /var/www/science-and-education/Expeditions-website/drupal/sites/all/modules/custom_menu_field_block/custom_menu_field_block.module).