Trying to share an app, get HTTP error 400 on the sharing dialog

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Posted on by AnttiKurenniemi

We have a model driven app that is being developed, and published from a development environment to a testing environment using Power Platform Pipelines. Today I was trying to share the app with a bunch of testers, but when I open the "Share" pane, it shows "Request failed with status code 400" error banner. No existing users or groups are shown, and even though I can search for users to share with, I can't select any Roles to assign to them.

I am fairly sure this used to work a while back as I have granted some users access to this app before. Another (Canvas) app sharing works normally in the same environment.

I am a System Administrator in this environment. I also have a custom role assigned to users of that app.

What can be wrong here, where do I start looking? The error is once again quite unhelpful...

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Management

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kch2023 3 on at

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Trying to share an app, get HTTP error 400 on the sharing dialog

I've been having the same issue. To resolve it I went into the Advanced settings selected Apps. On the app I am working with I selected the "..." and them selected "Manage Roles". I had to reassign my roles to the app. Afterwards I was able to go back to the main screen and Share my app with the desired people.
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