Discuz! Database Error

(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 ')\x0D\x0A\x09\x09\x09\x09\x09\x09and B.gviewperm=1' at line 10

SELECT count(A.fid) as num from forum_forum A inner join forum_forumfield B on A.fid=B.fid where A.type='sub' and A.status =3 and A.is_delete = 0 and A.level>=0 and A.fid in () and B.gviewperm=1

PHP Debug

No.	File	Line	Code
1	group.php	112	require(%s)
2	source/module/group/group_list_by_category.php	113	discuz_database::result_first(%s)
3	source/class/discuz/discuz_database.php	117	discuz_database::query(%s, Array, false, false)
4	source/class/discuz/discuz_database.php	135	db_driver_mysql->query(%s, false, false)
5	source/class/db/db_driver_mysql.php	152	db_driver_mysql->halt(%s, %d, %s)
6	source/class/db/db_driver_mysql.php	223	break()