Error occured in telegram channel

i tried running my chatbot with rasa run and i get this error

[2021-05-23 22:02:48 +0800] [16717] [ERROR] Exception occurred while handling uri: ‘’ Traceback (most recent call last): File “/home/ndn/venvrasa/lib/python3.8/site-packages/sanic/”, line 938, in handle_request response = await response File “/home/ndn/venvrasa/lib/python3.8/site-packages/rasa/core/channels/”, line 219, in message if self._is_user_message(msg): File “/home/ndn/venvrasa/lib/python3.8/site-packages/rasa/core/channels/”, line 178, in _is_user_message return message.text is not None AttributeError: ‘NoneType’ object has no attribute ‘text’

it was working fine before and i suddenly have this error. on ngrok it says error “500 internal server error”, and occasionally “502 bad gateway” pls help >:

What payload are you sending here? Are you sending it from telegram? It sounds like the payload is malformatted