-

select am.article_id,am.article_homepage_headline,am.article_short_description,am.key_highlights1,am.key_highlights2,am.key_highlights3,am.article_page_url,(select category_master_name from category_master where category_master_id=am.category_id) as category_name,(select sub_category_master_name from sub_category_master where sub_category_master_id=am.sub_category_id) as sub_category_name from article_master_206m am where am.active='Y' and am.article_id = 18534179 order by am.article_epoch desc

Error