Uncaught Exception 'DbQueryFailedException'

Error = Failed to run query:SELECT `A`.`id` AS `OB:catalog_items:id` , `A`.* FROM `catalog_items` AS `A` WHERE ( `A`.`instance_id` = 3 AND `A`.`ob_visible` = 1 AND `A`.`main_category_id` = 0 ) AND ( ) ORDER BY `A`.`ob_order` ASC (Errorcode = 0)
File = /var/www/www.biobioaziendaagricola.it/site/orbita/libs/orbita_query.class.php
Line = 1018

FunctionArgsLineFile
getRecordSet244/var/www/www.biobioaziendaagricola.it/site/modules/catalog/frontend/items_list.php
include'/var/www/www.biobioaziendaagricola.it/site/modules/catalog/frontend/items_list.php'1482/var/www/www.biobioaziendaagricola.it/site/orbita/libs/orbita_frontend.class.php
{closure}926/var/www/www.biobioaziendaagricola.it/site/orbita/libs/orbita_frontend.class.php
executeFrontendMethod1130/var/www/www.biobioaziendaagricola.it/site/orbita/libs/orbita_frontend.class.php
getThemeSectionOutput420/var/www/www.biobioaziendaagricola.it/site/modules/catalog/frontend/instance_detail.php
include'/var/www/www.biobioaziendaagricola.it/site/modules/catalog/frontend/instance_detail.php'1482/var/www/www.biobioaziendaagricola.it/site/orbita/libs/orbita_frontend.class.php
{closure}926/var/www/www.biobioaziendaagricola.it/site/orbita/libs/orbita_frontend.class.php
executeFrontendMethod167/var/www/www.biobioaziendaagricola.it/site/orbita/frontend.php
require_once'/var/www/www.biobioaziendaagricola.it/site/orbita/frontend.php'4/var/www/www.biobioaziendaagricola.it/site/index.php