Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in /home/rwebserver/public_html/quanta/vendor/laravel/cashier/src/Notifications/ConfirmPayment.php:11 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/quanta/vendor/laravel/cashier/src/Notifications/ConfirmPayment.php on line 11