How to Fix Power Apps Patch Function Required Field Error
Question details
The user needs to resolve a network error that occurs when using the Patch function in a Power Apps form, which indicates that a required field is missing.
- Product
- Microsoft Power Apps and SharePoint
- Device & OS
- not provided
- Scenario
- Submitting data through a customized Power Apps form to a SharePoint list using the Patch or SubmitForm function.
- Observed behavior
- The application displays a network error stating that a required field is missing. This usually happens because a mandatory SharePoint column is hidden or completely absent from the Power Apps form.
Verify your SharePoint list settings to identify which columns are strictly marked as required, and ensure you have edit permissions for both the Power Apps form and the underlying data source.
Add the Required Field to the Power Apps Form
Add the missing mandatory SharePoint column to your Power Apps form so that it can receive a valid data value during the Patch or SubmitForm operation.
If a column is marked as required in your SharePoint list, Power Apps must supply a value for it whenever a record is created or updated. Adding the field to the form ensures the data requirement is met.
Open your application in Power Apps Studio, select the form control causing the error, and look at the Properties pane on the right side of the screen.
Click on 'Edit fields' to open the Fields pane. This will display all the columns currently included in your customized form.
Click 'Add field', locate the required SharePoint column from the list of available fields, check the box next to it, and click 'Add'.
Ensure your Patch or SubmitForm formula is correctly configured to capture the data from this newly added field when the user submits the form.
Modify the SharePoint Column Settings
Change the column setting in SharePoint so that it is no longer required, eliminating the need to include it in your Power Apps form.
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Frequently Asked Questions
Why does Power Apps say a required field is missing when I didn't make it required in the app?
The field requirement is usually inherited directly from the underlying data source, such as a SharePoint list or Dataverse table. Even if the field is not marked as required in the Power Apps interface, the data source will reject the Patch submission if its own settings enforce a mandatory value.
How do I find out exactly which field is causing the Patch function error?
You can use the built-in Power Apps Monitor tool to inspect the network request and response during the form submission. The error message details within the Monitor typically specify the exact column name that is missing the required data.
Can I hide a required field in Power Apps but still successfully submit the form?
Yes. You can add the required field to your form, set its 'Visible' property to false, and assign a valid 'Default' value. This ensures that the Patch or SubmitForm function sends the required data to SharePoint seamlessly without cluttering the user interface.
