Embedded Canvas App stuck on loading screen

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Posted on by RobinSp

Hi all,

i have an issue that the embedded canvas-app is stuck on the loading screen.

We are using the Edge browser.

In the DevTool the following error message is displayed:

The file of the error:

I have tried googling, but didn't find a solution..

Thanks!

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Building Power Apps

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Ami K 15,687 Super User 2024 Season 1 on at

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@RobinSp - could you share a screenshot of what is displayed when you launch the embedded canvas app?

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RobinSp on at

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@Amik

It is just a white screen wit a blue cycle.

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Ami K 15,687 Super User 2024 Season 1 on at

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Please try these checks:

Ensure you have a single embedded canvas app for each form tab.

When adding an embedded canvas app to a model-driven form, always use a required column that is guaranteed to have a value. If your column does not have a value, your embedded canvas app will not refresh in response to any change in data on the host model-driven form.

Remember that publishing a model-driven form does not also publish the embedded canvas app. Embedded canvas apps must be published independent of the host model-driven form.

Embedded canvas apps are not displayed when creating a new row since they need a row context to be passed to them. This means embedded canvas apps do not work for new forms.

Keep removing fields from the form until the error no longer appears to pinpoint what field is causing the problem. This occurred for me once due a choice column. I removed the column from the canvas app form, saved and published, and then added the field in later. This resolved the problem.

Check the Data Source in the Form property is returning your table/entity, and the Item property in your Form is returning ModelDrivenFormIntegration.Item

In field properties window in classic mode, check the App ID and App Name is the same as the App ID and App Name for your App. For whatever reason in the past, when I checked the App ID and App name by looking at the canvas app properties, they were different from what detailed in the field properties property window. After changing these manually in the field properties window, the embedded canvas form loaded without issue. It is not clear to me why this happened in the first place but it is worth checking

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