Fatal error: Uncaught Error: Interface "Automattic\WooCommerce\EmailEditor\Engine\Renderer\ContentRenderer\Postprocessors\Postprocessor" not found in C:\xampp\htdocs\wo\woocommerce\packages\email-editor\src\Engine\Renderer\ContentRenderer\Postprocessors\class-variables-postprocessor.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wo\woocommerce\packages\email-editor\src\Engine\Renderer\ContentRenderer\Postprocessors\class-variables-postprocessor.php on line 18