과제 제출시 오류가 나요ㅠㅠ

....(위에 생략)

  File "c:\programdata\miniconda3\lib\site-packages\ai\backend\client\session.py", line 48, in run

    result = loop.run_until_complete(coro)

  File "c:\programdata\miniconda3\lib\asyncio\base_events.py", line 616, in run_until_complete

    return future.result()

  File "c:\programdata\miniconda3\lib\site-packages\ai\backend\client\kernel.py", line 46, in hello

    async with rqst.fetch() as resp:

  File "c:\programdata\miniconda3\lib\site-packages\ai\backend\client\request.py", line 399, in __aenter__

    raise BackendClientError(msg) from e

ai.backend.client.exceptions.BackendClientError: BackendClientError('Request to the API endpoint has failed.\nCheck your network connection and/or the server status.\n➜ ClientConnectorCertificateError()')

이런식으로 오류가 나는데 무슨 이유일까요ㅜㅜ