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 'function.array-shift' at line 3

SELECT a.id,a.titulo,a.autor,a.contenido,a.publicado,a.fecha,b.titulo as seccion FROM articulos as a INNER JOIN secciones as b WHERE a.seccion_id=b.id AND a.id<>25669 ORDER BY a.indice DESC LIMIT 19 OFFSET function.array-shift