Fatal error: Uncaught Error: Call to undefined function add_action() in /home/regeneremoda/public_html/wp-content/plugins/woocommerce-ajax-filters/includes/fix-variation-attribute.php:4 Stack trace: #0 /home/regeneremoda/public_html/wp-content/plugins/woocommerce-ajax-filters/includes/fix-variation-attribute.php(190): BRapf_fix_variation_attribute->__construct() #1 {main} thrown in /home/regeneremoda/public_html/wp-content/plugins/woocommerce-ajax-filters/includes/fix-variation-attribute.php on line 4