<br />
<b>Fatal error</b>:  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 ')
                AND total_quantity &gt; 0
                AND free_quantity &gt; 0' at line 8&lt;br /&gt;Error No: 1064&lt;br /&gt;
            SELECT 
                product_id, 
                total_quantity, 
                free_quantity 
            FROM 
                oc_product_gift 
            WHERE 
                product_id IN ()
                AND total_quantity &gt; 0
                AND free_quantity &gt; 0
         in /home/salamatftp/public_html/system/storage/modification/system/library/db/mysqli.php:43
Stack trace:
#0 /home/salamatftp/public_html/system/storage/modification/system/library/db.php(58): DB\MySQLi-&gt;query('\r\n            S...')
#1 /home/salamatftp/public_html/catalog/model/extension/total/product_gift.php(61): DB-&gt;query('\r\n            S...')
#2 /home/salamatftp/public_html/catalog/model/extension/total/product_gift.php in <b>/home/salamatftp/public_html/system/storage/modification/system/library/db/mysqli.php</b> on line <b>43</b><br />