Encountered an exception while running custom action but the action server has no error logs

Hi everyone! I’m having a problem with a large number of requests calling into my chatbot. Rasa-server started showing error log

Encountered an exception while running custom action. Bot will continue, but the actions events are lost. Please check the logs of your action server for more information
Traceback (most recent call last):
  File "..\anaconda3\envs\cb\lib\site-packages\rasa\core\processor.py", line 652, in _run_action
    events = await action.run(output_channel, nlg, tracker, self.domain)
  File "..\anaconda3\envs\cb\lib\site-packages\rasa\core\actions\action.py", line 551, in run
    json=json_body, method="post", timeout=DEFAULT_REQUEST_TIMEOUT
  File "...\anaconda3\envs\cb\lib\site-packages\rasa\utils\endpoints.py", line 150, in request
    **kwargs,
  File "...\anaconda3\envs\cb\lib\site-packages\aiohttp\client.py", line 1012, in __aenter__
    self._resp = await self._coro
  File "...\anaconda3\envs\cb\lib\site-packages\aiohttp\client.py", line 504, in _request
    await resp.start(conn)
  File "...\anaconda3\envs\cb\lib\site-packages\aiohttp\client_reqrep.py", line 847, in start
    message, payload = await self._protocol.read()  # type: ignore  # noqa
  File "...\anaconda3\envs\cb\lib\site-packages\aiohttp\streams.py", line 591, in read
    await self._waiter
concurrent.futures._base.CancelledError

but when i check the action server i don’t see any error log even when i run the command rasa run action -vv Someone please help me?