KeyError: 'BACKEND'

[pyprism]

When I enabled django-redis-cache I got this error:

 ./manage.py check                            

Traceback (most recent call last):
  File "./manage.py", line 21, in <module>
    main()
  File "./manage.py", line 17, in main
    execute_from_command_line(sys.argv)
  File "---.venv/lib/python3.8/site-packages/django/core/management/__init__.py", line 419, in execute_from_command_line
    utility.execute()
  File "---/.venv/lib/python3.8/site-packages/django/core/management/__init__.py", line 413, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "---/.venv/lib/python3.8/site-packages/django/core/management/base.py", line 354, in run_from_argv
    self.execute(*args, **cmd_options)
  File "----/.venv/lib/python3.8/site-packages/django/core/management/base.py", line 398, in execute
    output = self.handle(*args, **options)
  File "--/.venv/lib/python3.8/site-packages/django/core/management/commands/check.py", line 63, in handle
    self.check(
  File "---/.venv/lib/python3.8/site-packages/django/core/management/base.py", line 419, in check
    all_issues = checks.run_checks(
  File "--/.venv/lib/python3.8/site-packages/django/core/checks/registry.py", line 76, in run_checks
    new_errors = check(app_configs=app_configs, databases=databases)
  File "---/.venv/lib/python3.8/site-packages/django/core/checks/caches.py", line 63, in check_file_based_cache_is_absolute
    cache = caches[alias]
  File "---/.venv/lib/python3.8/site-packages/django/utils/connection.py", line 62, in __getitem__
    conn = self.create_connection(alias)
  File "---/.venv/lib/python3.8/site-packages/django/core/cache/__init__.py", line 36, in create_connection
    backend = params.pop('BACKEND')
KeyError: 'BACKEND'

settings.py:

CACHES = {
    'default': {
        'BACKEND': 'redis_cache.RedisCache',
        'LOCATION': 'localhost:6379',
    },
    'OPTIONS': {
        'DB': 11,
    }
}

I am using 0.6.2