An unknown error has occured

Hi 
My system is Mandrake 9.0 with Jamm 0.9.5 Rc1 
All works fine since a few month, but since a week when i want to connect to my site for manage users i have this error : An unknown error has occured.
But i can connect on the first page but not on the page for doamin manage
I dont understand why ? 
I can connect to my webmail, query my windows ldap and send mail ..
The  problem is only on the web page ??
Here is my conf file 

# $OpenLDAP: pkg/ldap/servers/slapd/slapd.conf,v 1.8.8.6 2001/04/20 23:32:43 kurt Exp $ 
# 
# See slapd.conf(5) for details on configuration options. 
# This file should NOT be world readable. 
# 
# Modified by Christian Zoffoli <[email protected] </cgi-bin/compose?curmbox=F000000001&a=1d0ae333d0f89818b12ff5bf70d6ad78&mailto=1&[email protected]&msg=MSG1107182830.20&start=364591&len=7626&src=&type=x>> 
# Version 0.2 
# 

include /usr/share/openldap/schema/core.schema 
include /usr/share/openldap/schema/cosine.schema 
include /usr/share/openldap/schema/corba.schema 
include /usr/share/openldap/schema/inetorgperson.schema 
include /usr/share/openldap/schema/java.schema 
include /usr/share/openldap/schema/krb5-kdc.schema 
include /usr/share/openldap/schema/kerberosobject.schema 
include /usr/share/openldap/schema/misc.schema 
include /usr/share/openldap/schema/nis.schema 
include /usr/share/openldap/schema/openldap.schema 
# YQ 
include /usr/share/tomcat/webapps/jamm-0.9.4/jamm.schema 

#include /usr/share/openldap/schema/rfc822-MailMember.schema 
#include /usr/share/openldap/schema/pilot.schema 
#include /usr/share/openldap/schema/autofs.schema 
#include /usr/share/openldap/schema/samba.schema 
#include /usr/share/openldap/schema/qmail.schema 
#include /usr/share/openldap/schema/mull.schema 
#include /usr/share/openldap/schema/netscape-profile.schema 
#include /usr/share/openldap/schema/trust.schema 
#include /usr/share/openldap/schema/dns.schema 
#include /usr/share/openldap/schema/cron.schema 

include /etc/openldap/schema/local.schema 


# Define global ACLs to disable default read access. 
include /etc/openldap/slapd.access.conf 


# Do not enable referrals until AFTER you have a working directory 
# service AND an understanding of referrals. 
#referral ldap://root.openldap.org 

pidfile /var/run/ldap/slapd.pid 
argsfile /var/run/ldap/slapd.args 

modulepath /usr/lib/openldap 
#moduleload back_dnssrv.la 
#moduleload back_ldap.la 
#moduleload back_passwd.la 
#moduleload back_sql.la 

# SASL config 
#sasl-host ldap.example.com 

# To allow TLS-enabled connections, create /usr/share/ssl/certs/slapd.pem 
# and uncomment the following lines. 
#TLSRandFile /dev/random 
#TLSCipherSuite HIGH:MEDIUM:+SSLv2 
TLSCertificateFile /etc/ssl/openldap/ldap.pem 
TLSCertificateKeyFile /etc/ssl/openldap/ldap.pem 
#TLSCACertificatePath /etc/ssl/openldap/ 
TLSCACertificateFile /etc/ssl/openldap/ldap.pem 
#TLSVerifyClient 0 


####################################################################### 
# ldbm database definitions 
####################################################################### 

database ldbm 
suffix "dc=int,dc=mysite,dc=com" 
#suffix "o=My Organization Name,c=US" 
rootdn "cn=Manager,dc=int,dc=mysite,dc=com" 

# Cleartext passwords, especially for the rootdn, should 
# be avoided. See slappasswd(8) and slapd.conf(5) for details. 
# Use of strong authentication encouraged. 
# rootpw secret 
# rootpw {crypt}ijFYNcSNctBYg 
#rootpw {SSHA}aw/VjYkw9bQ2IBkpSv7T2MFb0QtJ7a90 
rootpw {SSHA}XLU1tO/xqh8NX7xOdcRLz1Nx2Vt5cNYy 

# The database directory MUST exist prior to running slapd AND 
# should only be accessable by the slapd/tools. Mode 700 recommended. 
directory /var/lib/ldap 

# Indices to maintain 
#index objectClass eq 
index objectClass,uid,uidNumber,gidNumber eq 
index cn,mail,surname,givenname eq,subinitial 

# logging 
#loglevel 256 
loglevel 0 

# Basic ACL 
access to attr=userPassword 
by self write 
by anonymous auth 
by dn="uid=root,ou=People,dc=example,dc=com" write 
by * none 

access to * 
by dn="uid=root,ou=People,dc=example,dc=com" write 
by * read 




jamm.properties 

# The LDAP host. The default is localhost 
# 
#jamm.ldap.host = 

# The LDAP port. The default is 389 
# 
#jamm.ldap.port = 

# The search base. 
# 
jamm.ldap.search_base = o=hosting,dc=int,dc=mysite,dc=com 

# The DN of the "root" user 
# 
jamm.ldap.root_dn = cn=Manager,dc=int,dc=mysite,dc=com 

# The login of the "root" user. The default is root 
# 
#jamm.ldap.root_login = Manager 
#jamm.ldap.root_login = root 

# The class used to generate random numbers. The default is 
# java.security.SecureRandom. 
# 
#jamm.random_class = java.util.Random 

# Should jamm use the Modify Password Extended Operation to set the 
# users's password? If true, it will. If false, jamm itself will 
# generate an SSHA hash and set the userPassword attribute to it. 
# The default is true 
# 
#jamm.password.exop = true 

Sombody can help me 
Regards 




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