Fatal error: Uncaught exception 'Exception' with message '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 GROUP_CONCAT(DISTINCT product_id ) as product_id FROM `oc_product_related_wb` WHERE category_id = ' in /var/home/spbxiaom/public_html/system/storage/modification/system/library/db/mysqli.php:52 Stack trace: #0 /var/home/spbxiaom/public_html/system/storage/modification/system/library/db.php(210): DB\MySQLi->query('SELECT GROUP_CO...', Array) #1 /var/home/spbxiaom/public_html/system/storage/modification/catalog/model/catalog/product.php(1602): DB->query('SELECT GROUP_CO...') #2 [internal function]: ModelCatalogProduct->getRelatedCategoryProduct(Array) #3 /var/home/spbxiaom/public_html/system/storage/modification/system/engine/loader.php(212): call_user_func_array(Array, Array) #4 [internal function]: Loader->{closure}(Array, Array) #5 /var/home/spbxiaom/public_html/system/engine/pro in /var/home/spbxiaom/public_html/system/storage/modification/system/library/db/mysqli.php on line 52