Fatal error: Uncaught Exception: Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') AND p.status = '1' AND p.date_available <= NOW() ' at line 3<br />Error No: 1064<br />SELECT DISTINCT p.product_id FROM oc_product p LEFT JOIN oc_product_to_category p2c ON (p.product_id = p2c.product_id) WHERE p2c.category_id IN () AND p.status = '1' AND p.date_available <= NOW() AND p.product_id <> '6035' ORDER BY RAND() LIMIT 10 in /home/c/cg43610/airdisplay_opencart/public_html/system/storage/modification/system/library/db/mysqli.php:44 Stack trace: #0 /home/c/cg43610/airdisplay_opencart/public_html/system/library/db.php(45): DB\MySQLi->query('SELECT DISTINCT...') #1 /home/c/cg43610/airdisplay_opencart/public_html/catalog/model/extension/module/similar.php(24): DB->query('SELECT DISTINCT...') #2 /home/c/cg43610/airdisplay_opencart/public_html/sys in /home/c/cg43610/airdisplay_opencart/public_html/system/storage/modification/system/library/db/mysqli.php on line 44