Fatal error: Uncaught Error: Interface "Flarum\Notification\Blueprint\BlueprintInterface" not found in /home/sardosne/flarum.sardos.net/vendor/flarum/subscriptions/src/Notification/NewPostBlueprint.php:21 Stack trace: #0 {main} thrown in /home/sardosne/flarum.sardos.net/vendor/flarum/subscriptions/src/Notification/NewPostBlueprint.php on line 21