Rest API: Call to a member function getVideoProvider() on null

[its-leofisher]

Preconditions and environment

• Magento 2.4.7 v6

Steps to reproduce

• Create a configurable with a simple child product
• add a YouTube Video to the child product (other images not necessary)
  • Video for your convenience: https://www.youtube.com/watch?v=bSua9vMdrNM&t=18s
  • 
  • 
• Click Save, validate the video is there
• Generate oauth keys in integration
• Perform a call to /index.php/rest/V1/configurable-products/<configsku>/children
• Observe error in logs: Call to a member function getVideoProvider() on null [] []

Related files:

This is where media gallery entries are generated for child products
vendor/magento/module-configurable-product/Model/LinkManagement.php within getChildren($sku)

Error is thrown in:
\Magento\ProductVideo\Model\Product\Attribute\Media\ExternalVideoEntryConverter::convertFrom

Expected result

Payload contains child products are returned and media gallery entries are populated per usual, an example for the video:

{
        "id": 8888,
        "sku": "1234456",
        "name": "Sample Product Name",
        "attribute_set_id": 0,
        "price": 555.55,
        "status": 1,
        "visibility": 1,
        "type_id": "simple",
        "created_at": "2025-06-25 00:56:01",
        "updated_at": "2025-06-25 20:46:21",
        "weight": 1.11,
        "product_links": [],
        "media_gallery_entries": [
            {
                "id": 123456,
                "media_type": "image",
                "label": null,
                "position": null,
                "disabled": false,
                "types": [],
                "file": "/5555/019/5555_019_01.jpg"
            },
            {
                "id": 11111,
                "media_type": "external-video",
                "label": null,
                "position": 3,
                "disabled": false,
                "types": [],
                "file": "/b/h/bhdefault_9.jpg",
                "extension_attributes": {
                    "video_content": {
                        "media_type": "external-video",
                        "video_provider": "",
                        "video_url": "https://www.youtube.com/watch?v=dGEIsnBRWGs",
                        "video_title": "Title of the Video",
                        "video_description": "Description of the video",
                        "video_metadata": ""
                    }
                }
            }
        ],
        "tier_prices": [],
        "custom_attributes": [
            {
                "attribute_code": "required_options",
                "value": "0"
            },
            {
                "attribute_code": "has_options",
                "value": "0"
            },
            {
                "attribute_code": "url_key",
                "value": "url-to-thechild-1"
            },
            {
                "attribute_code": "category_ids",
                "value": []
            },
            {
                "attribute_code": "discontinued",
                "value": "0"
            },
            {
                "attribute_code": "links_exist",
                "value": "0"
            },
            {
                "attribute_code": "image",
                "value": "/5/9/5555.jpg"
            },
            {
                "attribute_code": "small_image",
                "value": "/5/9/55355.jpg"
            },
            {
                "attribute_code": "thumbnail",
                "value": "/5/9/55555.jpg"
            },
            {
                "attribute_code": "msrp_display_actual_price_type",
                "value": "4"
            },
            {
                "attribute_code": "tax_class_id",
                "value": "34"
            },
        ]
    },

Actual result

API returns 500 Internal Server Error:

Magento 2.4.7 v6
Logs display
[2025-06-24T23:44:19.945079+00:00] report.ERROR: 123.123.123.123 - /index.php/rest/V1/configurable-products/5555/children - Call to a member function getVideoProvider() on null [] []

Magento 2.4.7 - Vanilla

Additional information

Potential solution (and I tested that it works) reported by @rhoerr:
klevu/metadata#25 (comment)

Index: vendor/magento/module-configurable-product/Model/LinkManagement.php
Index: vendor/magento/module-configurable-product/Model/LinkManagement.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/Model/LinkManagement.php b/Model/LinkManagement.php
--- a/Model/LinkManagement.php
+++ b/Model/LinkManagement.php	(date 1734643949188)
@@ -119,9 +119,7 @@
                     $attributes[$attrCode] = $value;
                 }
             }
-            $images= (array)$child->getMediaGallery('images');
             $attributes['store_id'] = $child->getStoreId();
-            $attributes['media_gallery_entries'] = $this->getMediaEntries($images);
             /** @var \Magento\Catalog\Api\Data\ProductInterface $productDataObject */
             $productDataObject = $this->productFactory->create();
             $this->dataObjectHelper->populateWithArray(
@@ -129,6 +127,7 @@
                 $attributes,
                 \Magento\Catalog\Api\Data\ProductInterface::class
             );
+            $productDataObject->setMediaGalleryEntries($child->getMediaGalleryEntries());
             $childrenList[] = $productDataObject;
         }
         return $childrenList;

Release note

No response

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @its-leofisher. Thank you for your report.
To speed up processing of this issue, make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce.

• For more details, review the Magento Contributor Assistant documentation.
• Add a comment to assign the issue: @magento I am working on this
• To learn more about issue processing workflow, refer to the Code Contributions.

---

Join Magento Community Engineering Slack and ask your questions in #github channel.
⚠️ According to the Magento Contribution requirements, all issues must go through the Community Contributions Triage process. Community Contributions Triage is a public meeting.
🕙 You can find the schedule on the Magento Community Calendar page.
📞 The triage of issues happens in the queue order. If you want to speed up the delivery of your contribution, join the Community Contributions Triage session to discuss the appropriate ticket.

[m2-assistant]

Hi @engcom-November. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

• 1. Verify that issue has all the required information. (Preconditions, Steps to reproduce, Expected result, Actual result).
• 2. Verify that issue has a meaningful description and provides enough information to reproduce the issue.
• 3. Add Area: XXXXX label to the ticket, indicating the functional areas it may be related to.
• 4. Verify that the issue is reproducible on 2.4-develop branch
  Details

  - If the issue is reproducible on 2.4-develop branch, please, add the label Reproduced on 2.4.x.
  - If the issue is not reproducible, add your comment that issue is not reproducible and close the issue and stop verification process here!
• 5. Add label Issue: Confirmed once verification is complete.
• 6. Make sure that automatic system confirms that report has been added to the backlog.

[its-leofisher]

Updated original post to include result from vanilla 2.4.7

[engcom-November]

Hello @its-leofisher ,

Thank you for your report and collaboration.

We attempted to reproduce the issue in our latest version 2.4 develop but were unable to do so. Please find the attached screenshot for reference.

We followed these steps and did not encounter any issues. Could you please recheck in the latest version of Magento and let us know if we are missing any steps to reproduce this issue?

Therefore, we are marking this ticket as "Issue: Needs Update".

Thank You!

[its-leofisher]

@engcom-November My apologies, I updated steps to reproduce with more succinct steps.

[engcom-November]

Hello @its-leofisher ,

Thank you for your report and collaboration.

We attempted to reproduce the issue in the latest 2.4-develop instances by following the provided steps and preconditions. We are able to reproduce the issue. Please refer to the attached screenshot for details.

Steps to Reproduce:

• Create a configurable with a simple child product
• add a YouTube Video to the child product (other images not necessary)
• Video for your convenience: https://www.youtube.com/watch?v=bSua9vMdrNM&t=18s
• Click Save, validate the video is there
• Generate oauth keys in integration
• Perform a call to /index.php/rest/V1/configurable-products//children
• Observe error in logs: Call to a member function getVideoProvider() on null [] []

We followed the preconditions and steps as provided and encountered the issue. Therefore, we are marking this ticket as "Issue: Confirmed."

Thank you!