[PrestaShopDatabaseException]

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 ') GROUP BY fv.`id_nffilter_value` ORDER BY f.priority DESC, f.id_nffilter ASC...' at line 7

            SELECT pfv.*, fv.*, fvl.*, fl.name AS f_name, fl.private_name AS f_private_name
               FROM `ps_product_nf_filter_value` AS pfv
               LEFT JOIN `ps_nf_filter_value` AS fv ON (fv.`id_nffilter_value` = pfv.`id_nffilter_value`)
               LEFT JOIN `ps_nf_filter_value_lang` AS fvl ON (fvl.`id_nffilter_value` = pfv.`id_nffilter_value` AND fvl.id_lang = 4)
               LEFT JOIN `ps_nf_filter_lang` AS fl ON (fl.`id_nffilter` = fv.`id_nffilter` AND fl.id_lang = 4)
               LEFT JOIN `ps_nf_filter` f ON (f.`id_nffilter` = fv.`id_nffilter`)
            WHERE `id_product` IN () GROUP BY fv.`id_nffilter_value` ORDER BY f.priority DESC, f.id_nffilter ASC, fl.name ASC, fvl.name ASC

at line 635 in file classes/db/Db.php

629. 			WebserviceRequest::getInstance()->setError(500, '[SQL Error] '.$this->getMsgError().'. From '.(isset($dbg[3]['class']) ? $dbg[3]['class'] : '').'->'.$dbg[3]['function'].'() Query was : '.$sql, 97);
630. 		}
631. 		else if (_PS_DEBUG_SQL_ && $errno && !defined('PS_INSTALLATION_IN_PROGRESS'))
632. 		{
633. 			if ($sql)
634. 				throw new PrestaShopDatabaseException($this->getMsgError().'<br /><br /><pre>'.$sql.'</pre>');
635. 			throw new PrestaShopDatabaseException($this->getMsgError());
636. 		}
637. 	}
638. 
639. 	/**