Odoo v9.0c

I installed the module "website_sale_delivery", and now check out gives 500 error, here is error log:

Traceback (most recent call last):

File "/instances/twoosk/odoo/addons/website/models/ir_http.py", line 243, in _handle_exception

response = super(ir_http, self)._handle_exception(exception)

File "/instances/twoosk/odoo/openerp/addons/base/ir/ir_http.py", line 157, in _handle_exception

return request._handle_exception(exception)

File "/instances/twoosk/odoo/openerp/http.py", line 784, in _handle_exception

return super(HttpRequest, self)._handle_exception(exception)

File "/instances/twoosk/odoo/openerp/addons/base/ir/ir_http.py", line 182, in _dispatch

result = request.dispatch()

File "/instances/twoosk/odoo/openerp/http.py", line 843, in dispatch

r = self._call_function(**self.params)

File "/instances/twoosk/odoo/openerp/http.py", line 319, in _call_function

return checked_call(self.db, *args, **kwargs)

File "/instances/twoosk/odoo/openerp/service/model.py", line 118, in wrapper

return f(dbname, *args, **kwargs)

File "/instances/twoosk/odoo/openerp/http.py", line 312, in checked_call

result = self.endpoint(*a, **kw)

File "/instances/twoosk/odoo/openerp/http.py", line 962, in __call__

return self.method(*args, **kw)

File "/instances/twoosk/odoo/openerp/http.py", line 512, in response_wrap

response = f(*args, **kw)

File "/var/twooskftp/addons-twoosk/twoosk_custom_module/controllers.py", line 16, in confirm_order

return super(twoosk_custom_module,self).confirm_order(**post)

File "/instances/twoosk/odoo/openerp/http.py", line 512, in response_wrap

response = f(*args, **kw)

File "/instances/twoosk/odoo/addons/website_sale/controllers/main.py", line 693, in confirm_order

request.website.sale_get_order(update_pricelist=True, context=context)

File "/instances/twoosk/odoo/openerp/api.py", line 248, in wrapper

return new_api(self, *args, **kwargs)

File "/instances/twoosk/odoo/openerp/api.py", line 574, in new_api

result = method(self._model, cr, uid, self.ids, *args, **old_kwargs)

File "/instances/twoosk/odoo/addons/website_sale/models/sale_order.py", line 389, in sale_get_order

sale_order._cart_update(product_id=line.product_id.id, line_id=line.id, add_qty=0)

File "/instances/twoosk/odoo/openerp/api.py", line 248, in wrapper

return new_api(self, *args, **kwargs)

File "/instances/twoosk/odoo/openerp/api.py", line 574, in new_api

result = method(self._model, cr, uid, self.ids, *args, **old_kwargs)

File "/instances/twoosk/odoo/addons/website_sale_options/models/sale_order.py", line 35, in _cart_update

value = super(sale_order, self)._cart_update(cr, uid, ids, product_id, line_id, add_qty, set_qty, context=context, **kwargs)

File "/instances/twoosk/odoo/openerp/api.py", line 250, in wrapper

return old_api(self, *args, **kwargs)

File "/instances/twoosk/odoo/addons/website_sale_delivery/models/sale_order.py", line 172, in _cart_update

cr, uid, ids, product_id, line_id, add_qty, set_qty, context, **kwargs)

File "/instances/twoosk/odoo/openerp/api.py", line 250, in wrapper

return old_api(self, *args, **kwargs)

File "/instances/twoosk/odoo/addons/website_sale/models/sale_order.py", line 104, in _cart_update

quantity = sol.browse(cr, SUPERUSER_ID, line_id, context=context).product_uom_qty + (add_qty or 0)

File "/instances/twoosk/odoo/openerp/fields.py", line 822, in __get__

return record._cache[self]

File "/instances/twoosk/odoo/openerp/models.py", line 6132, in __getitem__

return value.get() if isinstance(value, SpecialValue) else value

File "/instances/twoosk/odoo/openerp/fields.py", line 39, in get

raise self.exception

MissingError: (u'Record does not exist or has been deleted.', None)