A Database Error Occurred

Error Number: 1052

Column 'zipcode' in where clause is ambiguous

SELECT `user`.`username`, `user`.`company_name`, `product`.*, (SELECT SUM(available_qty) FROM product_size ps WHERE ps.psid = product.id ) AS sQty FROM (`product`) LEFT JOIN `extend_category` ON `product`.`body_type`=`extend_category`.`id` LEFT JOIN `user` ON `user`.`id`=`product`.`uid` WHERE (title like '%4444444444%' OR state like '%4444444444%' ) AND `zipcode` like '%tutorials%' AND (DATE_ADD(product.post_datetime, INTERVAL product.duration DAY) >= NOW() or product.duration = 0) AND `available_quantity` > 0 AND `country` = 'recent' AND `product`.`product_access_type` = 0 AND `product`.`status` = '1' AND `extend_category`.`seourl` = 1 LIMIT 0 OFFSET 7

Filename: /var/www/html/models/product_model.php

Line Number: 1416