Ошибка при запуске сервера на Django

Вот ошибка:

C:\Users\Admin\Desktop\StackOverFlow\StackOverFlow>python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).

You have 18 unapplied migration(s). Your project may not work properly until you apply the migrations
 for app(s): admin, auth, contenttypes, sessions.
Run 'python manage.py migrate' to apply them.
March 07, 2021 - 17:14:27
Django version 3.1.7, using settings 'StackOverFlow.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
Exception in thread django-main-thread:
Traceback (most recent call last):
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\threading.py", line 932, in _bootst
rap_inner
    self.run()
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\site-packages\django\utils\autorelo
ad.py", line 53, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\managemen
t\commands\runserver.py", line 139, in inner_run
    run(self.addr, int(self.port), handler,
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\servers\b
asehttp.py", line 206, in run
    httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\servers\b
asehttp.py", line 67, in __init__
    super().__init__(*args, **kwargs)
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\socketserver.py", line 452, in __in
it__
    self.server_bind()
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\wsgiref\simple_server.py", line 50,
 in server_bind
    HTTPServer.server_bind(self)
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\http\server.py", line 140, in serve
r_bind
    self.server_name = socket.getfqdn(host)
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\socket.py", line 756, in getfqdn
    hostname, aliases, ipaddrs = gethostbyaddr(name)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xcf in position 6: invalid continuation byte