The ACSD-50336 patch fixes the issue where product alert emails are not sent when a product is back in stock or the price is changed. This patch is available when the Quality Patches Tool (QPT) 1.1.30 is installed. The patch ID is ACSD-50336. Please note that the issue is scheduled to be fixed in Adobe Commerce 2.4.7.
The patch is created for Adobe Commerce version:
Compatible with Adobe Commerce versions:
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.
Product alert emails are not sent when a product is back in stock or the price is changed.
Set up product alerts for when a product is added back to stock.
Steps to reproduce:
An email notification about the product being back in stock is sent to the customer.
The customer does not receive an email notification about the product being back in stock. The following error appears in the log:
report. CRITICAL: Magento\ProductAlert\Model\Mailing\ErrorEmailSender::execute(): Argument #2 ($storeId) must be of type int, string given, called in vendor/magento/module-product-alert/Model/Mailing/AlertProcessor.php on line 130  
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 Quality Patches Tool: Search for patches in the Quality Patches Tool guide.