MS Teams integration user/team not popuil

Summary:

In HR Helpdesk (redwood experience)

I'm trying start a conversation via a MS Teams Collaboration Channel.

The Channel & Tenant are selectable, but When I need to enter a user or team, I don't get any results…

If I mention the team channel in to which the bot was added, nothing happens, same goes for a specific user.

So I'm currently unable to send the message..

Does anyone have been facing similar issues & knows a way to resolve it?

Thanks a lot!

Tom

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