Fatal error: Uncaught Error: Class "WC_Email" not found in C:\xampp\htdocs\wo\woocommerce\src\Internal\StockNotifications\Emails\CustomerStockNotificationEmail.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wo\woocommerce\src\Internal\StockNotifications\Emails\CustomerStockNotificationEmail.php on line 14