Forum OpenACS Q&A: how i delete one users of OpenACS Administration?

Hi friends:

I have another problem:  i have installed OpenACS 4.0 in Linux 7.2
wih AOLServer 3.2.

i want account user from http://visitors.stri.si.edu:8000/acs-
admin/users/.  i selected the user and in Member state: approved (ban
| delete | require email verification), i do clic in delete.  The
system said that "Done", but when i return to
http://visitors.stri.si.edu:8000/acs-admin/users/, the total deleted
user said 0 (zero).

The logs dont said nothing... the member state user dont change...

How i do for member state of user change to deleted?