choose you terminology for customer wizard -> bug

open the wizard "Specify your terminology for customer" -> choose an item in the selection box and then click next : bug

[2011-09-23 09:04:06,215][trunk_1] INFO:init:module point_of_sale: registering objects
[2011-09-23 09:04:21,333][?] ERROR:web-services:Uncaught exception
Traceback (most recent call last):
  File "/home/aline/openerp/server/trunk/openerp/osv/osv.py", line 118, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/home/aline/openerp/server/trunk/openerp/osv/osv.py", line 172, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/home/aline/openerp/server/trunk/openerp/osv/osv.py", line 163, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/home/aline/openerp/server/trunk/openerp/addons/base/res/res_config.py", line 142, in action_next
    next = self.execute(cr, uid, ids, context=context)
  File "/home/aline/openerp/addons/trunk/base_setup/base_setup.py", line 292, in execute
    for obj in self.pool.obj_pool.values():
AttributeError: 'Registry' object has no attribute 'obj_pool'