Prblem with LDAP user folder

[<sre...@it...>]

Sir,
   I have installed
zope version 2.8.2
python version 2.3.5
LDAP User folder2_5
python_ldap 2.0.4
  I tried import ldap and its worked with out any error.
When i tried to add LDAPUserFolder using ZMI, i have put the correct
parameters for conncting openldap server.But the LDAPUserfolder is not get
added in the zmi, also i am not getting any error messages. When i tried
to add LDAPGroupUserFolder i get Attibute erron on ZMI.Hope u can suggest
valid
solutions for fix this problem.
cheers
sreenath