A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') GROUP BY c.id_nodo' at line 3

SELECT c.id_nodo FROM lev_rel_categorias_productos AS cp INNER JOIN lev_categorias AS c ON cp.id_nodo = c.id_nodo WHERE c.eliminado = 0 AND c.descontinuado = 0 AND c.nivel = 0 AND () GROUP BY c.id_nodo;

Filename: models/M_db.php

Line Number: 10