How to Fix PHP 8.4 method_exists() Fatal Error in WooCommerce Cart AJAX
A WooCommerce website running PHP 8.4 may encounter a fatal error when a customer changes a product quantity in the cart. Instead of updating the cart, the AJAX request fails and WooCommerce may display an error, stop responding, or leave the cart quantity unchanged. A typical error looks like this: The error may originate from: … Read more