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Error when running a flow from a Power App

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Posted on by tnickel

For a customer I have developed a Power App solution. In the Power App a Power Automate flow is called via MyFlow.Run(). The users in the customer tenant get the following message when the flow is triggered: "Principal with id <principal-id> does not have ReadAccess right(s) for record with id <record-id> of entity workflow." (see uploaded image)

I am confused, because in my company tenant where I developed the app I don't get such an error

AND

when I try it with another user in the customer tenant where I have access to there is no problem either. I give the user the same license and the same right to use the app and when I run the app with this user everything works fine. What could be the problem?

Furthermore, what does the "principal id" mean? I would have thought that would be the id of the user of the app where it fails. But it is not the id.

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Building Power Apps

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Jonathan Manrique 2,687 on at

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Hi @tnickel

Verify that you have permission on that table at the security role level. Likewise, check if the table exists or has the same name

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tnickel 51 on at

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Do you mean in the Power Platform Admin Center (admin.powerplatform.microsoft.com)? Because that is the point: The user I am trying with has the same security roles as the users where the error occurs (see image).

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Jonathan Manrique 2,687 on at

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Hi @tnickel

check the connection string because what the flow says is that the user does not have permission

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tnickel 51 on at

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Where do I check it? And what exactly do I have to check?
Thanks for your help and excuse me, it is my first project in Power Platform. I am not very experienced.

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Jonathan Manrique 2,687 on at

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Hi @tnickel

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tnickel 51 on at

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Hi @Jmanriquerios
And now?

Do I have to set up something in the "Run only users" section of the flow?
So far "Provided by run-only user" was set here.
I have set it to "Use this connection", but that didn't help
Or do I have to "invite the Sharepoint list"?

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Jonathan Manrique 2,687 on at

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Hi @tnickel

Check if the user has permission in the sharepoint list that is executing the flow

The connection string must be associated with the environment user

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tnickel 51 on at

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The Sharepoint list is in a Sharepoint Website. I have added the users as members to the group

"The connection string must be associated with the environment user" - so do you mean "Provided by run-only user"?

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tnickel 51 on at

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I now created a whole new user and now I can reproduce it.
What I found out now: If I share the flow with the user, it works.
But I don't want to share the flow with everyone who uses the app. I would assume that if I set the "Connections Used" to "This connection (...)" that the flow runs in context of this connection which is established and it should work. What is my mistake here?

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Jonathan Manrique 2,687 on at

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Hi @tnickel

You are telling it to always run it with that same user, but perhaps the ideal would be to run it with the user who triggers the flow

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