I am trying to post a message to slack along with a attachment i am getting error as The server responded with: {'ok': False, 'error': 'channel_not_found'}

[harinath3489]

I am trying to send an slack message along with attachment and I am getting below error raceback (most recent call last): File "/layers/google.python.pip/pip/lib/python3.10/site-packages/flask/app.py", line 2190, in wsgi_app response = self.full_dispatch_request() File "/layers/google.python.pip/pip/lib/python3.10/site-packages/flask/app.py", line 1486, in full_dispatch_request rv = self.handle_user_exception(e) File "/layers/google.python.pip/pip/lib/python3.10/site-packages/flask/app.py", line 1484, in full_dispatch_request rv = self.dispatch_request() File "/layers/google.python.pip/pip/lib/python3.10/site-packages/flask/app.py", line 1469, in dispatch_request return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) File "/layers/google.python.pip/pip/lib/python3.10/site-packages/functions_framework/init.py", line 174, in view_func function(event) File "/layers/google.python.pip/pip/lib/python3.10/site-packages/functions_framework/init.py", line 70, in wrapper return func(*args, **kwargs) File "/workspace/main.py", line 49, in subscribe slack_utils.send_slack_message(channel_id,[excel_filename]) File "/workspace/slack_utils.py", line 116, in send_slack_message client.chat_postMessage(channel=channel_id, text=message) File "/layers/google.python.pip/pip/lib/python3.10/site-packages/slack_sdk/web/client.py", line 2564, in chat_postMessage return self.api_call("chat.postMessage", json=kwargs) File "/layers/google.python.pip/pip/lib/python3.10/site-packages/slack_sdk/web/base_client.py", line 155, in api_call return self._sync_send(api_url=api_url, req_args=req_args) File "/layers/google.python.pip/pip/lib/python3.10/site-packages/slack_sdk/web/base_client.py", line 186, in _sync_send return self._urllib_api_call( File "/layers/google.python.pip/pip/lib/python3.10/site-packages/slack_sdk/web/base_client.py", line 317, in _urllib_api_call ).validate() File "/layers/google.python.pip/pip/lib/python3.10/site-packages/slack_sdk/web/slack_response.py", line 199, in validate raise e.SlackApiError(message=msg, response=self) slack_sdk.errors.SlackApiError: The request to the Slack API failed. (url: https://www.slack.com/api/chat.postMessage)

The server responded with: {'ok': False, 'error': 'channel_not_found'}

I am sure that my channelid is correct and the same code was working uptill yesterday.

any help is appreciated.

[hello-ashleyintech]

Hi, @harinath3489!

Thanks for submitting this question.

Have you verified that your app's bot is invited to the channels you are attempting to post messages in?

[harinath3489]

Yes I have, it was all working fine till yesterday , today I made few changes ( different module) and tried running I am getting this error

[github-actions[bot]]

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[github-actions[bot]]

As this issue has been inactive for more than one month, we will be closing it. Thank you to all the participants! If you would like to raise a related issue, please create a new issue which includes your specific details and references this issue number.