Integrated - PowerApps Customized Form - not working

Hi,

I've removed the datasource and added it back in but still getting the error message, when trying to open the customised form. 

I selected the 'learn more' button and a page from learn.microsoft opened with a list of required services.

Power Apps system requirements and limits - Power Apps | Microsoft Learn

Does anyone know if any of these are specific to the issue?

Hi,

So remove the two DataSources and then re-add them?

Some user have notified me that they can now access the App.  Not all but some...

Hi,

So remove the two Datasources and re-add them?

There have been some users who can now access the integrated app

This is something I have encountered recently - both on Canvas Apps directly and through SharePoint Online Power App List embeds. The issue stems from the app not having all of the required components to start.

To resolve: 
- Try removing all of the data sources (including Power Automate flows if applicable) within the app. Even if they appear correct, PowerApps can randomly forget a data source reference and requires deleting and re-adding to restore functionality.
- Check for any errors especially in the OnStart property
- Save and Publish

This should do the trick.