* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

스파르타피디아 app.py, index.html 작성 후 '기록하기'를 눌러도 '저장완료!' 메시지가 뜨질 않습니다. 몽고 디비를 가봐도 데이터가 추가되지도 않고, 터미널에 에러 메시지를 출력합니다.

도와주세요.

app.py 파일

index.html 파일

화면

작성한 코드 및 에러 메세지

Traceback (most recent call last):

 File "C:\sparta\04.pedia\venv\lib\site-packages\flask\app.py", line 2213, in __call__  

  return self.wsgi_app(environ, start_response)

 File "C:\sparta\04.pedia\venv\lib\site-packages\flask\app.py", line 2193, in wsgi_app  

  response = self.handle_exception(e)

 File "C:\sparta\04.pedia\venv\lib\site-packages\flask\app.py", line 2190, in wsgi_app  

  response = self.full_dispatch_request()

 File "C:\sparta\04.pedia\venv\lib\site-packages\flask\app.py", line 1486, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\sparta\04.pedia\venv\lib\site-packages\flask\app.py", line 1484, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\sparta\04.pedia\venv\lib\site-packages\flask\app.py", line 1469, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)

 File "c:\sparta\04.pedia\app.py", line 34, in movie_post

  db.movies.insert_one(doc)

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\collection.py", line 628, in insert_one

  self._insert_one(

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\collection.py", line 569, in _insert_one

  self.__database.client._retryable_write(acknowledged, _insert_command, session)    

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\mongo_client.py", line 1475, in _retryable_write

  with self._tmp_session(session) as s:

 File "C:\Users\경영회계\AppData\Local\Programs\Python\Python38\lib\contextlib.py", line 113, in __enter__

  return next(self.gen)

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\mongo_client.py", line 1757, in _tmp_session

  s = self._ensure_session(session)

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\mongo_client.py", line 1740, in _ensure_session

  return self.__start_session(True, causal_consistency=False)

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\mongo_client.py", line 1685, in __start_session

  self._topology._check_implicit_session_support()

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\topology.py", line 538, in _check_implicit_session_support

  self._check_session_support()

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\topology.py", line 554, in _check_session_support

  self._select_servers_loop(

 File "C:\sparta\04.pedia\venv\lib\site-packages\pymongo\topology.py", line 238, in _select_servers_loop

  raise ServerSelectionTimeoutError(

pymongo.errors.ServerSelectionTimeoutError: ac-rjdtrnp-shard-00-02.zjvh92k.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired 

(_ssl.c:1124),ac-rjdtrnp-shard-00-01.zjvh92k.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124),ac-rjdtrnp-shard-00-00.zjvh92k.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124), Timeout: 30s, Topology Description: <TopologyDescription id: 6481496ad91f65eed4db3e56, topology_type: ReplicaSetNoPrimary, servers: [<ServerDescription ('ac-rjdtrnp-shard-00-00.zjvh92k.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-rjdtrnp-shard-00-00.zjvh92k.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>, <ServerDescription ('ac-rjdtrnp-shard-00-01.zjvh92k.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-rjdtrnp-shard-00-01.zjvh92k.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>, <ServerDescription ('ac-rjdtrnp-shard-00-02.zjvh92k.mongodb.net', 

27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-rjdtrnp-shard-00-02.zjvh92k.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1124)')>]>