Fatal error: Uncaught Error: Interface "Minishlink\WebPush\SubscriptionInterface" not found in /var/www/rovfisk.se/inc/composer/vendor/minishlink/web-push/src/Subscription.php:16 Stack trace: #0 {main} thrown in /var/www/rovfisk.se/inc/composer/vendor/minishlink/web-push/src/Subscription.php on line 16