转换时出现错误：XConvert info: MySQL Query Error

具体提示信息如下：请问怎么解决？

XConvert info: MySQL Query Error

Time: 2009-3-31 3:05pm
SQL: INSERT INTO bbs.pcbforum_threads (
`tid` , `fid` , `iconid` , `typeid`, `readperm`, `price`,`author` , `authorid` , `subject` , `dateline` , `lastpost` , `lastposter` , `views` , `replies` , `displayorder` , `highlight` , `digest` , `rate` , `special` , `attachment` , `subscribed`, `moderated` , `closed`
) VALUES(
'57800', '46', '0', '0', '0', '0', 'sj_laser', '25613', '高手来帮 个忙啊。谢谢了！', '1104155460', '1104202800', 'littlepen', '203', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0');
Error: Duplicate entry '57800' for key 'PRIMARY'
Errormsg.: 字段值重复，入库失败
Errno.: 1062

什么程序转换到什么程序呢?

dvbbs 7.1 转到 discuz 7

重新转换这一步看看