[RC3] invalid certificate in l10n_fr module

Server revno: 1687
Addons revno: 2194
Client revno: 925

This morning when i update all my module, this error appear

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[Wed Feb 04 2009 09:09:59] CRITICAL:init:module l10n_fr: invalid quality certificate: 435321693876313629
Traceback (most recent call last):
  File "./openerp-server.py", line 108, in <module>
    pooler.get_db_and_pool(db, update_module=tools.config['init'] or tools.config['update'])
  File "/home/kryskool/openerp50-rc3/openerp/server/bin/pooler.py", line 40, in get_db_and_pool
    addons.load_modules(db, force_demo, status, update_module)
  File "/home/kryskool/openerp50-rc3/openerp/server/bin/addons/__init__.py", line 707, in load_modules
    r = load_module_graph(cr, graph, status, report=report)
  File "/home/kryskool/openerp50-rc3/openerp/server/bin/addons/__init__.py", line 584, in load_module_graph
    modobj.check(cr, 1, [mid])
  File "/home/kryskool/openerp50-rc3/openerp/server/bin/addons/base/module/module.py", line 488, in check
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Distribution: Ubuntu
Version: 8.04 (hardy)
Python 2.5.2