<br />
<b>Fatal error</b>:  Uncaught Unknown column 'pro_cover' in 'where clause'&lt;br /&gt;&lt;br /&gt;&lt;pre&gt;SELECT p.`id_product`
        			      FROM `ps_product` p
                    INNER JOIN `ps_product_lang` pl ON (pl.`id_product` = p.`id_product`)
                    INNER JOIN `ps_category_lang` cl ON (cl.`link_rewrite` = 'js')
        			WHERE pl.`link_rewrite` = '' + pro_cover + ''
                      AND pl.`id_lang` = 1
                      AND cl.`link_rewrite` = 'js'
                      AND p.`id_category_default` = cl.`id_category` LIMIT 1&lt;/pre&gt;
  thrown in <b>/home/microele/domains/microele.com/public_html/classes/db/Db.php</b> on line <b>791</b><br />