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 '' at line 1
select logo from portal_article_author WHERE id =

PHP Debug

No.FileLineCode
1knowledge/yingxiao/digital/index.php6require_once(%s)
2portal.php33require_once(%s)
3source/module/portal/portal_list.php89include(%s)
4data/template/3_diy_portal_list_sxy.tpl.php184category_get_list(Array, %s, %d)
5source/module/portal/portal_list.php146discuz_database::fetch_first(%s)
6source/class/discuz/discuz_database.php91discuz_database::query(%s, Array, false, false)
7source/class/discuz/discuz_database.php136db_driver_mysql->query(%s, false, false)
8source/class/db/db_driver_mysql.php153db_driver_mysql->halt(%s, %d, %s)
9source/class/db/db_driver_mysql.php224break()
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