Discuz! Database Error

(1062) Duplicate entry '0' for key 'pid'
INSERT INTO forum_warning SET `pid`='' , `operatorid`='1' , `operator`='反垃圾重复发帖系统' , `authorid`='' , `author`='' , `dateline`='1511347583' , `reason`='发布重复的帖子'

PHP Debug

No.FileLineCode
1forum.php71require(%s)
2source/module/forum/forum_viewthread.php26showmessage(%s)
3source/function/function_core.php1426dshowmessage(%s, %s, Array, Array, %d)
4source/function/function_message.php239include(%s)
5data/template/1_1_common_showmessage.tpl.php1hookscriptoutput(%s)
6source/function/function_core.php1218hookscript(%s, %s, %s, Array)
7source/function/function_core.php1177plugin_nds_antirrepeatpost_forum->viewthread_posttop_output(Array)
8source/plugin/nds_antirrepeatpost/nds_antirrepeatpost.class.php219nds_operatemode(%s, %s, %s)
9source/plugin/nds_antirrepeatpost/nds_anrpost_function_file.func.php232discuz_table->insert(Array)
10source/class/discuz/discuz_table.php81discuz_database::insert(%s, Array, false, false, %s)
11source/class/discuz/discuz_database.php60discuz_database::query(%s, %s, %s, true)
12source/class/discuz/discuz_database.php137db_driver_mysqli->query(%s, %s, true)
13source/class/db/db_driver_mysqli.php147db_driver_mysqli->halt(%s, %d, %s)
14source/class/db/db_driver_mysqli.php222break()
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