Fatal error: Uncaught Error: Call to undefined function apply_filters() in /home/adaptyo3/public_html/wp-content/plugins/dummy-gateway-for-woocommerce/wc-dummy-gateway.php:12 Stack trace: #0 {main} thrown in /home/adaptyo3/public_html/wp-content/plugins/dummy-gateway-for-woocommerce/wc-dummy-gateway.php on line 12