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 ') and ativo='1'' at line 1

SELECT * FROM produto WHERE id_categoria IN () and ativo='1'

Filename: /home/statusfe/public_html/modules/produto/models/model_produto.php

Line Number: 38