I found out that all the users in our table cc_users has a privilege = admin. But when I login as a site wide admin an error occurs.
210.213.162.45 - - [10/Aug/2004:14:32:25 +0800] "GET /register/bad-password?user_id=2537 HTTP/1.1" 200 601 "http://202.95.230.52/register/" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; FunWebProducts)"