Fatal error: Uncaught Exception: Error: SQLSTATE[21000]: Cardinality violation: 1241 Operand should contain 1 column(s) Error Code : 21000 <br />SELECT s.product_id set_id, p.*, pd.* FROM (SELECT s.product_id FROM oc_product_set s WHERE entry_product_id = 17929) b INNER JOIN oc_product_set s ON s.product_id = b.product_id INNER JOIN oc_product p ON p.product_id = s.entry_product_id AND p.`status` > 0 AND p.date_available <= CURRENT_DATE INNER JOIN oc_product_description pd ON pd.product_id = s.entry_product_id AND pd.language_id = 3 ORDER BY (p.product_id, 17929) in /var/www/bromKV/brom.com.ua/public/system/library/db/mpdo2.php:91 Stack trace: #0 /var/www/bromKV/brom.com.ua/public/system/library/db.php(77): DB\mPDO2->query('SELECT \r\n ...') #1 /var/www/bromKV/brom.com.ua/public/system/library/cf/db/query.php(29): DB->query('SELECT \r\n ...') #2 /var/www/bromKV/brom.com.ua/public/system/library/cf/db/query.php(123): CF\DB\Query->run() #3 /var/www/bromKV/brom.com.ua/public/catalog/controller/extension/module/cf_product_set.php(37): CF\DB\Query->all() #4 /var/www/bromKV/brom.com.ua/public/system/engine/action.php(86): ControllerExtensionModuleCFProductSet->index(Array) #5 /var/www/bromKV/brom.com.ua/public/system/engine/loader.php(52): Action->execute(Object(Registry), Array) #6 /var/www/bromKV/brom.com.ua/public/catalog/controller/product/product.php(564): Loader->controller('extension/modul...', Array) #7 /var/www/bromKV/brom.com.ua/public/system/engine/action.php(86): ControllerProductProduct->index() #8 /var/www/bromKV/brom.com.ua/public/catalog/controller/startup/router.php(26): Action->execute(Object(Registry)) #9 /var/www/bromKV/brom.com.ua/public/system/engine/action.php(86): ControllerStartupRouter->index() #10 /var/www/bromKV/brom.com.ua/public/system/engine/router.php(74): Action->execute(Object(Registry)) #11 /var/www/bromKV/brom.com.ua/public/system/engine/router.php(62): Router->execute(Object(Action)) #12 /var/www/bromKV/brom.com.ua/public/system/framework.php(233): Router->dispatch(Object(Action), Object(Action)) #13 /var/www/bromKV/brom.com.ua/public/system/startup.php(113): require_once('/var/www/bromKV...') #14 /var/www/bromKV/brom.com.ua/public/index.php(20): start('catalog') #15 {main} thrown in /var/www/bromKV/brom.com.ua/public/system/library/db/mpdo2.php on line 91