Discuz! Database Error

(1062) Duplicate entry '84' for key 'fid'
INSERT INTO forum_post SET `fid`='84' , `tid`='1984' , `first`='0' , `author`='王嘉宏' , `authorid`='7101' , `subject`='' , `dateline`='1680155301' , `message`='楼主发贴辛苦了,谢谢楼主分享!' , `useip`='34.232.62.64' , `invisible`='0' , `anonymous`='0' , `usesig`='0' , `htmlon`='0' , `bbcodeoff`='0' , `smileyoff`='0' , `parseurloff`='0' , `attachment`='0' , `tags`='' , `replycredit`='0' , `status`='0' , `pid`='3305324'

PHP Debug

No.FileLineCode
1forum.php67require(%s)
2source/module/forum/forum_viewthread.php1014include(%s)
3data/template/16_diy_forum_viewthread_217.tpl.php1hookscriptoutput(%s)
4source/function/function_core.php1218hookscript(%s, %s)
5source/function/function_core.php1181call_user_func(Array, Array)
6plugin_gp_autoreply->global_footer(Array)
7source/plugin/gp_autoreply/hook.class.php88plugin_gp_autoreply->gp_newpost(Array, %s, Array, %s)
8source/plugin/gp_autoreply/hook.class.php134insertpost(Array)
9source/function/function_forum.php847table_forum_post->insert(%s, Array)
10source/class/table/table_forum_post.php610discuz_database::insert(%s, Array, false, false, false)
11source/class/discuz/discuz_database.php60discuz_database::query(%s, %s, %s, true)
12source/class/discuz/discuz_database.php142db_driver_mysql->query(%s, %s, true)
13source/class/db/db_driver_mysql.php152db_driver_mysql->halt(%s, %d, %s)
14source/class/db/db_driver_mysql.php223break()
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