安装出现 语句错误，求助解决方法

查询语句错误 [1062]
错误信息: Duplicate entry '1' for key 1
SQL: INSERT INTO pre_category_channel (cid, title, identifier, displayorder, url, status, postgid, managegid, listmode) VALUES(1, '房产', 'house', 0, '', 1, 'a:4:{i:1;s:1:"1";i:2;s:1:"1";i:3;s:1:"1";i:20;s:1:"1";}', 'a:1:{i:1;s:1:"1";}', 'text')

点击这里寻求帮助

PHP Backtrace

File	Line	Function
source/class/class_core.php	644	db_mysql->halt()
source/class/class_core.php	826	db_mysql->query()
houseinstall/index.php	315	DB::query()
houseinstall/index.php	201	runquery()

参考一下解决教程：
http://faq.comsenz.com/viewnews-100