MultipleObjectsReturned at /product/shirt/ get() returned more than one Item -- it returned 2!

[anmolsinghsaini]

When I click on the product I get this error and not able to get product page.

Traceback (most recent call last):
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\core\handlers\exception.py", line 34, in inner
response = get_response(request)
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\core\handlers\base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\core\handlers\base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\views\generic\base.py", line 71, in view
return self.dispatch(request, *args, **kwargs)
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\views\generic\base.py", line 97, in dispatch
return handler(request, *args, **kwargs)
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\views\generic\detail.py", line 106, in get
self.object = self.get_object()
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\views\generic\detail.py", line 52, in get_object
obj = queryset.get()
File "C:\Users\Anmol\Envs\hybrid\lib\site-packages\django\db\models\query.py", line 410, in get
raise self.model.MultipleObjectsReturned(
core.models.Item.MultipleObjectsReturned: get() returned more than one Item -- it returned 2!