Fatal error: Uncaught Error: Call to undefined function add_action() in /home3/epsgener/public_html/keithspower/wp-content/plugins/woo-product-filter/functions.php:285 Stack trace: #0 {main} thrown in /home3/epsgener/public_html/keithspower/wp-content/plugins/woo-product-filter/functions.php on line 285