MySQL error

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND fld.`document_id` = d.`id` AND fld.`name` = 'slideshow.img' ' at line 6

Query: "select d.`id`, fld.`id`, fld.`document_id`, fls.`uniqid`,fls.`file_name` from `vx7_documents` as d, `vx7_files` as fls,`vx7_folders` as fld where d.`section_id` = AND fld.`document_id` = d.`id` AND fld.`name` = 'slideshow.img' AND fls.`folder` = fld.`id` AND fls.`delete` = 0 "