Discuz! Database Error

(1062) Duplicate entry 'զ' for key 'username'
INSERT INTO common_member SET `uid`='2728299' , `username`='不咋会' , `password`='5985019d9526fd018770097b1e4b6033'

PHP Debug

No.FileLineCode
1plugin.php52include(%s)
2source/plugin/chinatt_point/chinatt_point.inc.php173include_once(%s)
3source/plugin/chinatt_point/mod/user_space.php29PointCommon::getUser(%s)
4source/plugin/chinatt_point/class/PointCommon.php302PointCommon::pointUserAdd(%s)
5source/plugin/chinatt_point/class/PointCommon.php4623discuz_database::insert(%s, Array)
6source/class/discuz/discuz_database.php60discuz_database::query(%s, %s, %s, true)
7source/class/discuz/discuz_database.php137db_driver_mysql_slave->query(%s, %s, true)
8source/class/db/db_driver_mysql_slave.php103db_driver_mysql->query(%s, %s, true)
9source/class/db/db_driver_mysql.php152db_driver_mysql->halt(%s, %d, %s)
10source/class/db/db_driver_mysql.php223break()
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