QUERY: SELECT id,titulo FROM intranet_categorias WHERE ((	(SELECT count(user_id)
						   FROM intranet_users_categorias AS uc
						   WHERE uc.user_id = ) = 0
						OR
						   (SELECT user_id 
						   FROM intranet_users_categorias as uc
						   WHERE uc.user_id =  AND uc.categoria_id = id )))<br>
ERROR: 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 ') = 0
						OR
						   (SELECT user_id 
						   FROM intranet_users_categor' at line 3<br>