DoesNotExist UserQuickLook matching query does not exist.

Raised by:

django/db/models/query.py (line 380)

Traceback (most recent call last):
  File "python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
    response = get_response(request)
  File "python3.5/site-packages/django/core/handlers/base.py", line 187, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "python3.5/site-packages/django/core/handlers/base.py", line 185, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "private.py", line 1, in private_function
    private_function()
  File "python3.5/site-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "python3.5/site-packages/django/db/models/query.py", line 380, in get
    self.model._meta.object_name
quicklook.models.DoesNotExist: UserQuickLook matching query does not exist.