Forum Discussion
Chris_Clark1968
Feb 20, 2026Iron Contributor
Integrated - PowerApps Customized Form - not working
Hi, The Power App customised form is not being retrieved. When the user selects the 'Add new item' button a customised form should open, but getting this pop up. Does anyone know if ...
key-automate
Feb 24, 2026Copper Contributor
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.