"Error from token exchange permission denied due to missing connection ACL" while using Approval

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Posted on by WiZey

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Hello,

I'm using a simple flow where I collect properties of an element from a SharePoint list, then submit an approval to an user.

The thing is I have several flows like that, but there is only one which ends up with this error and I can't put my finger on the issue.

I tried to create a new connection, I tried to re-create the whole connector to send a brand new approval, I even removed the dynamic content I was using to populate the approval. And my licence doesn't appear to be expired or anything. I tried sending the approval to me directly, but even this doesn't work.

Does anyone have an idea about this?

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WiZey 3,023 Moderator on at

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Hold on... I just noticed my flow actually lost its connections (SharePoint, Approvals, etc.). I'll try to re-establish them.

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WiZey 3,023 Moderator on at

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Well yes, that seemed to be the problem. The flow somehow lost its connections which explain why he couldn't "connect" when trying to send the approval.

I still can't understand why the connections would vanish like that and I don't even know where to begin looking at for this, but at least my flow is working now.

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novice1508 12 on at

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it happened to me when I changed the flow trigger from Recurrence (every 10 mins, with setting to run Only one session at a time) to Manually triggering the flow.
I noticed an error when I tried to save the flow, since the original trigger was different.
solution:
I created a new flow and copied all the flow actions, except for the List Files in Folder action. For that one I created a new action.
Everything seems to work without a glitch

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NikitaSharma 10 on at

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Same for me!

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MathewVaughan 2 on at

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I have had this error for days and tried to resolve it by updating the connection settings. In the end, I landed up setting up a new connection from the Flow in question and works fine now.

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Belin on at

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It seems that the issue happens only when a flow is created with PowerBI and then edited with Power automate web.
This is the only time experienced, so I guess the solution is to keep edit the flow within PowerBI desktop (not sure the web version)

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