Discuz! Database Error

(1062) Duplicate entry '0' for key 'nid'
UPDATE yxwg_web_ziliao SET `nid`='' , `title`='' , `context`='' , `type`='' , `gid`='' , `time_add`='' WHERE `id`='8743'

PHP Debug

No.FileLineCode
1plugin.php47include(%s)
2source/plugin/yxwg/yxwg.inc.php97require(%s)
3source/plugin/yxwg/pages/news.php63table_yxwg_web_ziliao->updbyid(%s, %s, %s, %s, %s, %s, %s)
4source/plugin/yxwg/table/table_yxwg_web_ziliao.php65discuz_table->update(%s, Array)
5source/class/discuz/discuz_table.php57discuz_database::update(%s, Array, %s, false, false)
6source/class/discuz/discuz_database.php78discuz_database::query(%s, %s)
7source/class/discuz/discuz_database.php137db_driver_mysql->query(%s, false, false)
8source/class/db/db_driver_mysql.php152db_driver_mysql->halt(%s, %d, %s)
9source/class/db/db_driver_mysql.php223break()
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