Fatal error: Uncaught Error: Interface "Minishlink\WebPush\SubscriptionInterface" not found in C:\xampp\htdocs\soli\vendor\minishlink\web-push\src\Subscription.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\soli\vendor\minishlink\web-push\src\Subscription.php on line 16