no crea lineas de compra

RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/http.py", line 1658, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "/home/odoo/src/odoo/odoo/service/model.py", line 133, in retrying
    result = func()
  File "/home/odoo/src/odoo/odoo/http.py", line 1686, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "/home/odoo/src/odoo/odoo/http.py", line 1890, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "/home/odoo/src/odoo/addons/website/models/ir_http.py", line 237, in _dispatch
    response = super()._dispatch(endpoint)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_http.py", line 154, in _dispatch
    result = endpoint(**request.params)
  File "/home/odoo/src/odoo/odoo/http.py", line 734, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "/home/odoo/src/odoo/addons/web/controllers/dataset.py", line 42, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/home/odoo/src/odoo/addons/web/controllers/dataset.py", line 33, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/home/odoo/src/odoo/odoo/api.py", line 468, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "/home/odoo/src/odoo/odoo/api.py", line 453, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/home/odoo/src/odoo/odoo/models.py", line 6633, in onchange
    record._onchange_eval(name, field_onchange[name], result)
  File "/home/odoo/src/odoo/odoo/models.py", line 6344, in _onchange_eval
    method_res = method(self)
  File "/home/odoo/src/user/odoo-mastercore/stock_addons/smart_orderpoint/models/stock_warehouse_orderpoint.py", line 97, in _onchange_qty_order
    if rec.custom_qty_to_order:
AttributeError: 'stock.warehouse.orderpoint' object has no attribute 'custom_qty_to_order'

The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
    RPC_ERROR
        at makeErrorFromResponse (https://odoo-mastercore-detodo-odo-staging-19032577.dev.odoo.com/web/assets/25530-1df498d/web.assets_backend.min.js:1009:163)
        at XMLHttpRequest.<anonymous> (https://odoo-mastercore-detodo-odo-staging-19032577.dev.odoo.com/web/assets/25530-1df498d/web.assets_backend.min.js:1017:13)