Discuz! Database Error

(1062) Duplicate entry '16777215' for key 'PRIMARY'
INSERT INTO home_notification SET `uid`='76676' , `type`='system' , `new`='1' , `authorid`='0' , `author`='' , `note`='您的用户组升级为 <a href=\"home.php?mod=spacecp&ac=credit&op=usergroup\">见习CC</a> &nbsp; <a href=\"home.php?mod=spacecp&ac=usergroup\" target=\"_blank\" class=\"lit\">看看我能做什么 &rsaquo;</a>' , `dateline`='1711628859' , `from_id`='0' , `from_idtype`='changeusergroup' , `from_num`='1' , `category`='3'

PHP Debug

No.FileLineCode
1home.php40require_once(%s)
2source/module/home/home_space.php118require_once(%s)
3source/include/space/space_index.php67member_count_update(%s, Array)
4source/function/function_home.php442updatemembercount(%s, Array)
5source/function/function_core.php1271_updatemembercount(%s, Array, true, %s, %d, %s, %s, %s)
6source/function/function_credit.php84credit->updatemembercount(Array, %s, true, %s)
7source/class/class_credit.php296credit->checkusergroup(%s)
8source/class/class_credit.php356notification_add(%d, %s, %s, Array, %d)
9source/function/function_core.php1655helper_notification::notification_add(%d, %s, %s, Array, %d)
10source/class/helper/helper_notification.php112discuz_table->insert(Array, true)
11source/class/discuz/discuz_table.php81discuz_database::insert(%s, Array, true, false, false)
12source/class/discuz/discuz_database.php60discuz_database::query(%s, %s, %s, false)
13source/class/discuz/discuz_database.php139db_driver_mysql->query(%s, %s, false)
14source/class/db/db_driver_mysql.php152db_driver_mysql->halt(%s, %d, %s)
15source/class/db/db_driver_mysql.php223break()
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