MDVA-27456: Users get an error when loading Swagger

The MDVA-27456 patch fixes the issue where users get an error when trying to load Swagger. This patch is available when the Quality Patches Tool (QPT) 1.1.6 is installed. The patch ID is MDVA-27456. Please note that the issue was fixed in Adobe Commerce 2.3.7.

Affected products and versions

The patch is created for Adobe Commerce version:

Adobe Commerce (all deployment methods) 2.3.5-p1

Compatible with Adobe Commerce versions:

Adobe Commerce (all deployment methods) 2.3.5 - 2.3.6-p1

The patch might become applicable to other versions with new Quality Patches Tool releases. To check if the patch is compatible with your Adobe Commerce version, update the magento/quality-patches package to the latest version and check the compatibility on the Quality Patches Tool: Search for patches page. Use the patch ID as a search keyword to locate the patch.


Users get an error when loading Swagger.

Steps to reproduce:

Go to ../swagger.

Expected results:

Swagger loads without any error.

Actual results:

Users get the following error: Failed to load API definition. Error log contains:

report.CRITICAL: Report ID: webapi-5ea9c6da19cb1; Message: The “\DateTime” parameter type is invalid. Verify the parameter and try again.

Apply the patch

To apply individual patches, use the following links depending on your deployment method:

To learn more about Quality Patches Tool, refer to:

For info about other patches available in QPT, refer to the Patches available in QPT section.