site info: MySQL Query Error

Time: 2009-11-8 8:38am
Script: /index.php

DB Server: Server_1
SQL: UPDATE mmosite_space_user_info
SET
nick_name='Paquitin',domain_name='thebuddha',blog_name='Paquitin',password='598dac85551173d6ebbe9c9756147592',sex='man',email='buddhist@att.net',style='default',face='http://images.mmosite.com/my/i/templates/default/images/dUsergif.gif'
WHERE
user='5b6bf6c4027400fce9dcb92c4dc3443d'
Error: Duplicate entry 'Paquitin' for key 'key_nickname'
Errno.: 1062

An error report has been dispatched to our administrator.