Fatal error: Uncaught Error: Class "Automattic\WooCommerce\Internal\RestApiControllerBase" not found in C:\xampp\htdocs\wo\woocommerce\src\Internal\Admin\EmailPreview\EmailPreviewRestController.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wo\woocommerce\src\Internal\Admin\EmailPreview\EmailPreviewRestController.php on line 13