A Database Error Occurred

Error Number: 1064

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 '-MOBILIER-DECUPAT-LASER-SILUET, 50' at line 9

select *, ( select thumb_name from map_prod_file mpf left join file f on f.file_id = mpf.file_id where mpf.prod_id = product_cache.prod_id order by mpf.mpf_description desc limit 1 ) as img_ordered_file from product_cache where cat_id = 169 or cat_id in (select cat_id from category where cat_parent = 169) limit -MOBILIER-DECUPAT-LASER-SILUET, 50