Hi !! I'm currently using : - Zope-2.5.0, - Python-2.1.2 - libldap2-2.0.23 - python-ldap-1.9.999.cvs.20011231 All these packages are installed on a Debian system just upgraded from 'Stable' to 'Testing'. I'm trying to use several LDAP user managers (LDAPUserFolder,...) or LDAP query tools but as soon as I try to execute any query, I receive an error message : "python: /usr/local/src/libopenldap/openldap2-2.0.23/libraries/libldap/references.c:26: ldap_first_reference: Assertion `( ( ld )->ld_options.ldo_valid == 0x2 )' failed." or "python: /usr/local/src/libopenldap/openldap2-2.0.23/libraries/libldap/error.c:220: ldap_parse_result: Assertion `( ( ld )->ld_options.ldo_valid == 0x2 )' failed." These errors make Zope restart every time, so these LDAP products are unusable... ; these errors didn't exist with old releases of Zope (2.3.3) and Python (1.5.2). I've tried to execute a few LDAP queries from within Python interpreter, and they seem to be OK so I think Python-ldap is correctly installed. Any idea ?? Thanks for any help, Thierry -- Linux every day, keeps Dr Watson away... http://gpc.sourceforge.net