Not able to post message in channel

Goel 1 Reputation point
2021-09-07T13:11:24.307+00:00

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I keep getting this error whenever I try to post message in channel.

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
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  1. Danstan Onyango 3,816 Reputation points Microsoft Employee
    2021-09-08T09:43:38.51+00:00

    You are using MS Graph Send chatMessage in a channel or a chat with a personal Microsoft account (MSA account) and this is not supported. This API is only supported for users with AAD/Work accounts.

    Try with and AAD/Work account with a Teams subscription and let us know.

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