Traceback (most recent call last):
  File "/opt/odoo/openerp/http.py", line 537, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/opt/odoo/openerp/http.py", line 574, in dispatch
    result = self._call_function(**self.params)
  File "/opt/odoo/openerp/http.py", line 310, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/opt/odoo/openerp/service/model.py", line 118, in wrapper
    return f(dbname, *args, **kwargs)
  File "/opt/odoo/openerp/http.py", line 307, in checked_call
    return self.endpoint(*a, **kw)
  File "/opt/odoo/openerp/http.py", line 803, in __call__
    return self.method(*args, **kw)
  File "/opt/odoo/openerp/http.py", line 403, in response_wrap
    response = f(*args, **kw)
  File "/opt/odoo/addons/web/controllers/main.py", line 944, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/opt/odoo/addons/web/controllers/main.py", line 936, in _call_kw
    return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs)
  File "/opt/odoo/openerp/api.py", line 256, in wrapper
    return old_api(self, *args, **kwargs)
  File "/opt/odoo/openerp/api.py", line 360, in old_api
    result = method(recs, *args, **kwargs)
  File "/opt/odoo/addons/sale_quotation_number/model/sale_order.py", line 40, in create
    return super(SaleOrder, self).create(vals)
  File "/opt/odoo/openerp/api.py", line 254, in wrapper
    return new_api(self, *args, **kwargs)
  File "/opt/odoo/openerp/api.py", line 496, in new_api
    result = method(self._model, cr, uid, *args, **old_kwargs)
  File "/opt/odoo/addons/sale/sale.py", line 369, in create
    new_id = super(sale_order, self).create(cr, uid, vals, context=ctx)
  File "/opt/odoo/openerp/api.py", line 256, in wrapper
    return old_api(self, *args, **kwargs)
  File "/opt/odoo/addons/mail/mail_thread.py", line 381, in create
    thread_id = super(mail_thread, self).create(cr, uid, values, context=context)
  File "/opt/odoo/openerp/api.py", line 256, in wrapper
    return old_api(self, *args, **kwargs)
  File "/opt/odoo/openerp/api.py", line 360, in old_api
    result = method(recs, *args, **kwargs)
  File "/opt/odoo/openerp/models.py", line 4094, in create
    record = self.browse(self._create(old_vals))
  File "/opt/odoo/openerp/api.py", line 254, in wrapper
    return new_api(self, *args, **kwargs)
  File "/opt/odoo/openerp/api.py", line 496, in new_api
    result = method(self._model, cr, uid, *args, **old_kwargs)
  File "/opt/odoo/openerp/models.py", line 4300, in _create
    cr, user, ids, fields2, context)
  File "/opt/odoo/openerp/api.py", line 256, in wrapper
    return old_api(self, *args, **kwargs)
  File "/opt/odoo/openerp/models.py", line 4438, in _store_set_values
    result = column.get(cr, self, ids, f, SUPERUSER_ID, context=context)
  File "/opt/odoo/openerp/osv/fields.py", line 231, in get
    raise Exception(_('undefined get method !'))
Exception: M\xe9thode 'get' non d\xe9finie !