500 error

Token matching query does not exist.

Traceback (most recent call last):

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
response = get_response(request)

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/views/generic/base.py", line 71, in view
return self.dispatch(request, *args, **kwargs)

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/views/generic/base.py", line 97, in dispatch
return handler(request, *args, **kwargs)

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/views/generic/base.py", line 158, in get
context = self.get_context_data(**kwargs)

File "./front/views.py", line 1017, in get_context_data
author = models.Token.objects.get(slug=kwargs.get('slug'))

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/db/models/manager.py", line 82, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)

File "/var/www/django/bangbangstudio.ru/venv/lib/python3.6/site-packages/django/db/models/query.py", line 408, in get
self.model._meta.object_name

front.models.Token.DoesNotExist: Token matching query does not exist.