cannot install Any Chart of Account

i created a new db, i configured all configuration wizard (install all application), I configured the l10n_be -> bug :

Traceback (most recent call last):
  File "/home/aline/openerp/trunk/server/openerp/netsvc.py", line 410, in dispatch
    result = ExportService.getService(service_name).dispatch(method, auth, params)
  File "/home/aline/openerp/trunk/server/openerp/service/web_services.py", line 598, in dispatch
    res = fn(db, uid, *params)
  File "/home/aline/openerp/trunk/server/openerp/osv/osv.py", line 122, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/home/aline/openerp/trunk/server/openerp/osv/osv.py", line 176, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/home/aline/openerp/trunk/server/openerp/osv/osv.py", line 167, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/home/aline/openerp/trunk/server/openerp/addons/base/res/res_config.py", line 167, in action_next
    next = self.execute(cr, uid, ids, context=None)
  File "/home/aline/openerp/trunk/addons/account/installer.py", line 216, in execute
    f_ids = fy_obj.search(cr, uid, [('date_start', '<=', res['date_start']), ('date_stop', '>=', res['date_stop']), ('company_id', '=', res['company_id'])], context=context)
  File "/home/aline/openerp/trunk/server/openerp/osv/orm.py", line 1740, in search
    return self._search(cr, user, args, offset=offset, limit=limit, order=order, context=context, count=count)
  File "/home/aline/openerp/trunk/server/openerp/osv/orm.py", line 4005, in _search
    cr.execute('SELECT "%s".id FROM ' % self._table + from_clause + where_str + order_by + limit_str + offset_str, where_clause_params)
  File "/home/aline/openerp/trunk/server/openerp/sql_db.py", line 78, in wrapper
    return f(self, *args, **kwargs)
  File "/home/aline/openerp/trunk/server/openerp/sql_db.py", line 131, in execute
    res = self._obj.execute(query, params)
TypeError: not all arguments converted during string formatting