Discuz! Database Error

(1062) Duplicate entry '2' for key 'fid'
INSERT INTO forum_post SET `fid`='2' , `tid`='168313' , `first`='0' , `author`='幸惜雪' , `authorid`='404' , `subject`='' , `dateline`='1619059302' , `message`='路过,学习下' , `useip`='14.56.76.201' , `invisible`='0' , `anonymous`='0' , `usesig`='0' , `htmlon`='0' , `bbcodeoff`='0' , `smileyoff`='0' , `parseurloff`='0' , `attachment`='0' , `pid`='410562'

PHP Debug

No.FileLineCode
1forum.php65runhooks()
2source/function/function_core.php1118hookscript(%s, %s, %s, Array, %s)
3source/function/function_core.php1167plugin_zzbuluo_autoreply->common(Array)
4source/plugin/zzbuluo_autoreply/hook.class.php124insertpost(Array)
5source/function/function_forum.php825table_forum_post->insert(%s, Array)
6source/class/table/table_forum_post.php607discuz_database::insert(%s, Array, false, false, false)
7source/class/discuz/discuz_database.php60discuz_database::query(%s, %s, %s, true)
8source/class/discuz/discuz_database.php136db_driver_mysql->query(%s, %s, true)
9source/class/db/db_driver_mysql.php153db_driver_mysql->halt(%s, %d, %s)
10source/class/db/db_driver_mysql.php224break()
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