Discuz! Database Error

(1054) Unknown column 'displayorder' in 'order clause'
SELECT * FROM keke_video_teacher WHERE state=1 ORDER BY displayorder ASC LIMIT 0,20

PHP Debug

No.FileLineCode
1plugin.php47include(%s)
2source/plugin/keke_video_base/keke_video_base.inc.php753table_keke_video_teacher->fetch_all_teacher(%d, %d, %s, %s)
3source/plugin/keke_video_base/table/table_keke_video_teacher.php45discuz_database::fetch_all(%s, Array)
4source/class/discuz/discuz_database.php106discuz_database::query(%s, Array, false, false)
5source/class/discuz/discuz_database.php142db_driver_mysql->query(%s, false, false)
6source/class/db/db_driver_mysql.php152db_driver_mysql->halt(%s, %d, %s)
7source/class/db/db_driver_mysql.php223break()
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