DocumentationCommerceTools

ACP2E-4615: PayPal online order refunds fail with error PayPal gateway rejects the request. Internal Error.

Last update: June 25, 2026

CREATED FOR:

  • Experienced
  • Admin
  • Developer

The ACP2E-4615 patch fixes the issue where online order refunds fail with a PayPal error stating, PayPal gateway rejects the request. Internal Error.. This patch is available when the Quality Patches Tool (QPT) 1.1.80 is installed. The patch ID is ACP2E-4615. Please note that this issue is scheduled to be fixed in Adobe Commerce 2.4.9.

Affected products and versions

The patch is created for Adobe Commerce version:

  • Adobe Commerce (all deployment methods) 2.4.7-p8

Compatible with Adobe Commerce versions:

  • Adobe Commerce (all deployment methods) 2.4.5 - 2.4.9
NOTE
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.

Issue

Online order refunds fail with a PayPal error stating, PayPal gateway rejects the request. Internal Error..

Steps to reproduce:

  1. Create a product with a price = $100.
  2. Place the order using $50 of store credit and PayPal as the payment method.
  3. Create an invoice for the order.
  4. Start creating a credit memo with Adjustment Fee = $50, so that the Grand Total = $0.
  5. Click Refund to perform an online refund.

Expected results:

It shouldn’t be possible to create refunds with a Grand Total = $0. The Refund button should be disabled.

Actual results:

  1. The credit memo isn’t created. The error PayPal gateway rejects the request. Internal Error (#10001: Internal Error). appears.

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:

recommendation-more-help
commerce-operations-help-tools