Fatal error: Uncaught Error: Call to undefined function QuadLayers\WOOCCM_PRO\add_action() in /home/malvernj/public_html/wp-content/plugins/woocommerce-checkout-manager-pro/lib/class-plugin.php:33 Stack trace: #0 /home/malvernj/public_html/wp-content/plugins/woocommerce-checkout-manager-pro/lib/class-plugin.php(96): QuadLayers\WOOCCM_PRO\Plugin->__construct() #1 /home/malvernj/public_html/wp-content/plugins/woocommerce-checkout-manager-pro/lib/class-plugin.php(103): QuadLayers\WOOCCM_PRO\Plugin::instance() #2 /home/malvernj/public_html/wp-content/plugins/woocommerce-checkout-manager-pro/lib/class-plugin.php(106): QuadLayers\WOOCCM_PRO\WOOCCM_PRO() #3 {main} thrown in /home/malvernj/public_html/wp-content/plugins/woocommerce-checkout-manager-pro/lib/class-plugin.php on line 33