Discuz! Database Error

(1062) Duplicate entry '20756-0' for key 'PRIMARY'
INSERT INTO forum_post SET `fid`='44' , `tid`='20756' , `first`='0' , `author`='@Xizi_cqhwJEkc' , `authorid`='1667' , `subject`='' , `dateline`='1731474785' , `message`='知识付费资源真实太多了,很厉害的网站!' , `useip`='3.239.87.20' , `invisible`='0' , `anonymous`='0' , `usesig`='0' , `htmlon`='0' , `bbcodeoff`='0' , `smileyoff`='0' , `parseurloff`='0' , `attachment`='0' , `tags`='' , `replycredit`='0' , `status`='0' , `pid`='3362371'

PHP Debug

No.FileLineCode
1forum.php67require(%s)
2source/module/forum/forum_forumdisplay.php974include(%s)
3data/template/5_diy_forum_forumdisplay.tpl.php1hookscriptoutput()
4source/function/function_core.php1218hookscript()
5source/function/function_core.php1181plugin_gp_autoreply->global_footer()
6source/plugin/gp_autoreply/hook.class.php88plugin_gp_autoreply->gp_newpost()
7source/plugin/gp_autoreply/hook.class.php133insertpost()
8source/function/function_forum.php847table_forum_post->insert()
9source/class/table/table_forum_post.php610discuz_database::insert()
10source/class/discuz/discuz_database.php60discuz_database::query()
11source/class/discuz/discuz_database.php142db_driver_mysqli->query()
12source/class/db/db_driver_mysqli.php148db_driver_mysqli->halt()
13source/class/db/db_driver_mysqli.php223break()
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