Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in /home/tcalculu/pmtdemo.tcalculus.com/wp-cont/pmt.tcalculus.com/wp-content/pluginsent/plugins/woocommerce-payments/includes/admin/class-wc-rest-upe-flag-toggle-controller.php:11 Stack trace: #0 {main} thrown in /home/tcalculu/pmtdemo.tcalculus.com/wp-cont/pmt.tcalculus.com/wp-content/pluginsent/plugins/woocommerce-payments/includes/admin/class-wc-rest-upe-flag-toggle-controller.php on line 11