ACSD-50276: Customer registration form doesn’t work on storefront if multi-select customer attribute is created

The ACSD-50276 patch fixes the issue where the customer registration form doesn’t work on the storefront if a multi-select customer attribute is created. This patch is available when the Quality Patches Tool (QPT) 1.1.30 is installed. The patch ID is ACSD-50276. Please note that the issue is scheduled to be fixed in Adobe Commerce 2.4.7.

Affected products and versions

The patch is created for Adobe Commerce version:

• Adobe Commerce (all deployment methods) 2.4.5-p1

Compatible with Adobe Commerce versions:

• Adobe Commerce (all deployment methods) 2.4.0 - 2.4.6

Issue

The customer registration form doesn’t work on the storefront if a multi-select customer attribute is created.

Steps to reproduce:

1. Create a new multi-select customer attribute with the following settings:

   • Required = Yes
   • Show on storefront = Yes, select Customer registration form.

2. Open the customer registration form on the storefront.

Expected results:

The customer registration form loads successfully.

Actual results:

• The customer registration form does not load.

• The following error is logged:

  report. CRITICAL: Exception: Deprecated Functionality: explode(): Passing null to parameter #2 ($string) of type string is deprecated in vendor/magento/module-custom-attribute-management/Block/Form/Renderer/Multiselect.php
  

Apply the patch

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

• Adobe Commerce or Magento Open Source on-premises: Quality Patches Tool > Usage in the Quality Patches Tool guide.
• Adobe Commerce on cloud infrastructure: Upgrades and Patches > Apply Patches in the Commerce on Cloud Infrastructure guide.

Related reading

To learn more about Quality Patches Tool, refer to:

• Quality Patches Tool released: a new tool to self-serve quality patches in our support knowledge base.
• Check if patch is available for your Adobe Commerce issue using Quality Patches Tool in our support knowledge base.

For info about other patches available in QPT, refer to Quality Patches Tool: Search for patches in the Quality Patches Tool guide.