高手帮忙啦~~动网8.2AC转6.1的问题

按照https://discuz.dismall.com/thread-941638-1-1.html转换完后出现了两个问题：

1.老用户无法在Discuz上登录，提示用户不存在或者密码错误

2.新用户无法注册，测试注册用户出现这个提示：

Discuz! info: MySQL Query Error

Time: 2008-7-25 3:48pm
Script: /forum/bbs/register.php

SQL: INSERT INTO [Table]members (uid, username, password, secques, gender, adminid, groupid, regip, regdate, lastvisit, lastactivity, posts, credits, extcredits1, extcredits2, extcredits3, extcredits4, extcredits5, extcredits6, extcredits7, extcredits8, email, bday, sigstatus, tpp, ppp, styleid, dateformat, timeformat, pmsound, showemail, newsletter, invisible, timeoffset)
VALUES ('2', 'ytseasky', 'b3234dcceefa39e94d24036b0e019f27', '', '0', '0', '10', '218.30.165.54', '1216972090', '1216972090', '1216972090', '0', 0,0,0,0,0,0,0,0,0, 'heyejun@163.com', '0000-00-00', '0', '0', '0', '', '0', '0', '1', '', '', '0', '9999')
Error: Duplicate entry '2' for key 1
Errno.: 1062

急求请高手帮忙~~~~~~~~~~谢谢谢谢！！

LZ可以参考下：
http://faq.comsenz.com/?action-viewnews-itemid-100

我是新手不太会用这个哈，不过新注册的用户成功了，登录后显示的却是一个老用户的名字，也就是uid用的老用户的，是这样吗？这是怎么造成的？怎么能解决呢？管理员帮忙哈