Error: SELECT c.id,ci.titulo, ci.url
              FROM web_contenidos c INNER JOIN web_contenidos_idiomas ci ON c.id=ci.id_contenido INNER JOIN web_categorias_contenidos ctc ON ctc.id_contenido=c.id INNER JOIN web_categorias ct ON ct.id=ctc.id_categoria
              WHERE (c.tipo=10) AND ci.id_idioma=1 AND c.publicado=1 AND (ct.id=9 AND ctc.id_contenido!=)  ORDER BY rand() ASC LIMIT 5
Error número mysql: 1064 - Error mysql: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 rand() ASC LIMIT 5' at line 3