Avan Framewrok

Database Error : Column 'featured' in where clause is ambiguous

Error Number : 1052

query : ' SELECT glb_products.id,glb_products.title,glb_products.offPrice,glb_products.coworkerPrice,description,price,glb_products.photo,slide1,remain,sold,glb_brands.title as brand FROM glb_products LEFT JOIN glb_brands ON glb_brands.id=glb_products.brand_id WHERE featured='yes' AND glb_products.site_id=3 AND glb_products.photo IS NOT NULL AND glb_products.`delete`='No' AND glb_products.site_id=3 ORDER BY id DESC LIMIT 21 OFFSET 0 '