Fatal error: Uncaught Exception: Error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1<br />Error No: 1064<br />SELECT * FROM `oc_optom` WHERE cat_id = in /home/admin/web/a1.shop-avd.ru/public_html/system/library/db/mysqli.php:40 Stack trace: #0 /home/admin/web/a1.shop-avd.ru/public_html/system/library/db.php(15): DB\MySQLi->query('SELECT * FROM `...', Array) #1 /home/admin/web/a1.shop-avd.ru/public_html/catalog/controller/product/product.php(231): DB->query('SELECT * FROM `...') #2 /home/admin/web/a1.shop-avd.ru/public_html/system/engine/action.php(51): ControllerProductProduct->index() #3 /home/admin/web/a1.shop-avd.ru/public_html/catalog/controller/startup/router.php(25): Action->execute(Object(Registry)) #4 /home/admin/web/a1.shop-avd.ru/public_html/system/engine/action.php(51): ControllerStartupRouter->index() #5 /home/admin/web/a1.shop-avd.ru/public_html/system/engine/front.php(34): Action->execute(Object(Registry)) in /home/admin/web/a1.shop-avd.ru/public_html/system/library/db/mysqli.php on line 40