select a.id_articulo, a.titulo, a.id_categoria, a.friendly_url, a.friendly_url_categoria, a.entradilla, a.cuerpo, unix_timestamp(a.fecha) as fecha_creacion, (select video from cms_articulos_videos where id_articulo=a.id_articulo order by id_video desc limit 1) as url_video, (select if(id_imagen_relacionada>0, id_imagen_relacionada, id_articulo_imagen) from cms_articulos_imagenes where id_articulo=a.id_articulo order by orden asc limit 1) as url_imagen, (select nombre from cms_portadas_edicionv2 where id_portada_edicion = a.id_categoria) as categoria_texto, (select nombre from cms_portadas_edicionv2 where id_portada_edicion = a.id_categoria_2) as categoria_texto_2 from cms_articulos a where id_articulo in () order by FIELD(id_articulo, ) limit 20 - 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 ') order by FIELD(id_articulo, ) limit 20' at line 1