An Error Was Encountered

Error Number: 1327

Undeclared variable: index_html

SELECT * FROM tbl_video, tbl_video_detail WHERE 1 AND tbl_video_detail.published='y' AND tbl_video.id = tbl_video_detail.video_id AND tbl_video_detail.language_id = 1 ORDER BY tbl_video_detail.video_id DESC,tbl_video.id DESC LIMIT index_html, 9