Fatal error: Uncaught Error: Class "Automattic\WooCommerce\StoreApi\Schemas\V1\CheckoutSchema" not found in C:\xampp\htdocs\wo\woocommerce\src\StoreApi\Schemas\V1\CheckoutOrderSchema.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wo\woocommerce\src\StoreApi\Schemas\V1\CheckoutOrderSchema.php on line 12