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Power Platform Community / Forums / Power Automate / Flows getting 401 Unau...
Power Automate
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Flows getting 401 Unauth on Post a message to a team channel or chat

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Posted on by KNAR 17



Errors : Action 'Post_message_in_a_chat_or_channel' failed: The sender with objectId '45290-9d726789876540330acf' is not a member of the chat.
 

I have workflows for posting the notifications to the Group chat this flows was working fine until yesterday. Now All flows are failing due to the  Unauth 401 errors on the action "POST Message to the Team chat"
Tried Reauth the connections but to no avail.  already a member of all group chat 

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Using flows
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    w.p Profile Picture
    w.p 8,339 Super User 2025 Season 2 on at
    check these links might help fixing the issue.
     

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