500 error

Object matching query does not exist.

Traceback (most recent call last):

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 249, in _legacy_get_response
response = self._get_response(request)

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/views/generic/base.py", line 68, in view
return self.dispatch(request, *args, **kwargs)

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/views/generic/base.py", line 88, in dispatch
return handler(request, *args, **kwargs)

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/views/generic/base.py", line 155, in get
context = self.get_context_data(**kwargs)

File "./front/views.py", line 358, in get_context_data
context['object'] = Object.objects.get(id=int(kwargs.get('obj_id'))).export_front()

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/db/models/manager.py", line 85, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)

File "/var/www/django/gbn.moscow/venv/local/lib/python2.7/site-packages/django/db/models/query.py", line 380, in get
self.model._meta.object_name

DoesNotExist: Object matching query does not exist.