升级到dz5.5为什么会显示这个

>>论坛升级第 2 步: 调整论坛数据表结构 升级数据表 [ 0 ] cdb_usergroups :

[/table][/table][/table]
Discuz! info: MySQL Query Error

Time: 2007-5-11 12:16pm
Script:

SQL: ALTER TABLE [Table]usergroups CHANGE minrewardprice minrewardprice smallint(6) NOT NULL default '1'
Error: Access denied for user 'exe86'@'localhost' to database 'exe86'
Errno.: 1044

Similar error report has beed dispatched to administrator before.


各位高手来帮助一下,我是新手。

:) :) :)