i have install LDAP authentication package and then ldap_group package.

while select only ldap group yes and provide below settings i am getting error specified below

memberof | contains | CN=ERP_ADMIN,OU=Distribution Group,OU=xxx,DC=xxx,DC=local | Administration / Settings

error: File "/usr/lib/pymodules/python2.7/openerp/addons/mail/res_users.py", line 177, in write mail_group_obj.message_subscribe_users(cr, uid, mail_group_ids, ids, context=context) File "/usr/lib/pymodules/python2.7/openerp/addons/mail/mail_thread.py", line 1165, in message_subscribe_users partner_ids = [user.partner_id.id for user in self.pool.get('res.users').browse(cr, uid, user_ids, context=context)] File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 494, in __iter__ raise NotImplementedError("Iteration is not allowed on %s" % self) NotImplementedError: Iteration is not allowed on browse_record(res.users, 12)