Fatal error: Uncaught Error: Call to undefined function WooCommerce\PayPalCommerce\OrderTracking\apply_filters() in /home/america2/public_html/wp-content/plugins/woocommerce-paypal-payments/modules/ppcp-order-tracking/carriers.php:34 Stack trace: #0 {main} thrown in /home/america2/public_html/wp-content/plugins/woocommerce-paypal-payments/modules/ppcp-order-tracking/carriers.php on line 34