Fatal error: Uncaught Exception: Error: Subquery returns more than 1 row<br />Error No: 1242<br />SELECT product_id FROM oc_product_to_category WHERE product_id NOT IN(19416) AND main_category = 1 AND category_id = (SELECT category_id FROM oc_product_to_category WHERE product_id = '19416' AND main_category = 1) LIMIT 0, 5 in /var/www/domcomfort/data/www/domcomfort.ru/system/library/db/mysqli.php:41 Stack trace: #0 /var/www/domcomfort/data/www/storage/modification/system/library/db.php(56): DB\MySQLi->query('SELECT product_...') #1 /var/www/domcomfort/data/www/storage/modification/catalog/model/catalog/product.php(984): DB->query('SELECT product_...') #2 /var/www/domcomfort/data/www/storage/modification/system/engine/loader.php(264): ModelCatalogProduct->getProductSimilar('19416', 6) #3 /var/www/domcomfort/data/www/domcomfort.ru/system/engine/proxy.php(47): Loader->{closure}(Array, Array) #4 /var/www/domcomfort/data/www/storage/modification/catalog/controller/product/product.php(944): Proxy->__call('getProductSimil...', A in /var/www/domcomfort/data/www/domcomfort.ru/system/library/db/mysqli.php on line 41