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Fix SharePoint Power Apps Form Error: Cannot Read Properties of ProgId

Maira Mehtab Sep 20, 2026 869 views

Question details

Users are encountering an unknown render failure when attempting to create or update items in a SharePoint list that uses a custom Power Apps form.

Product: SharePoint and Power Apps
Device & OS: not provided
Scenario: Creating or updating a SharePoint list item that is customized with a Power Apps form, particularly when the list incorporates custom sorting and grouping.
Observed behavior: The form fails to load and displays the error message: 'Unknown Render Failure. Cannot read properties of undefined (reading ProgId)'.

Before you start

Before making structural changes, verify if the error persists across different web browsers and ensure you have sufficient Owner or Designer permissions for both the SharePoint list and the associated Power Apps environment.

Solution 1

Remove Custom Grouping and Sorting from the SharePoint List

Since this rendering error is frequently triggered by complex custom sorting and grouping applied to the list view, reverting the list to a standard flat view can serve as a temporary workaround.

Power Apps forms sometimes struggle to interpret list schemas when views are heavily customized with grouping structures.

Open List Settings

Navigate to your SharePoint list, click the Gear icon in the top right corner, and select 'List settings'.

Edit the Default View

Scroll down to the bottom of the settings page to the 'Views' section and click on your default view.

Clear Grouping and Sorting Rules

Expand the 'Sort' and 'Group By' sections. Change the sort criteria to 'None' and the group criteria to 'None', then click OK to save the view.

Test the Power Apps Form

Refresh your SharePoint list and attempt to create or update an item again to see if the form renders successfully.

Solution 2Recommended

Seek Assistance in the Power Platform Community

Because this issue involves customized Power Apps form rendering rather than default SharePoint behavior, escalating the problem to Power Platform experts is the most effective path to a permanent resolution.

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Frequently Asked Questions

What does the 'reading ProgId' error mean in Power Apps?

This error indicates that the Power Apps form is trying to read a specific programmatic identifier (ProgId) from the underlying SharePoint list schema, but that property is missing or inaccessible, often due to unsupported list view customizations.

How do I switch back to the default SharePoint form?

You can bypass the faulty Power Apps form entirely by going to your List Settings, selecting 'Form settings', choosing the option 'Use the default SharePoint form', and clicking OK.

Why can't standard SharePoint support fix my custom Power Apps form?

Standard SharePoint support agents primarily focus on out-of-the-box SharePoint features. Custom Power Apps forms involve specialized development and proprietary rendering logic that requires dedicated Power Platform expertise to troubleshoot effectively.

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