Fatal error: Uncaught Error: Call to undefined method Flarum\Extend\Notification::channels() in /home/admin/domains/indahnesia.nl/flarum/extend.php:19 Stack trace: #0 /home/admin/domains/indahnesia.nl/flarum/vendor/flarum/core/src/Foundation/Site.php(65): require() #1 /home/admin/domains/indahnesia.nl/flarum/vendor/flarum/core/src/Foundation/Site.php(38): Flarum\Foundation\Site::loadExtenders() #2 /home/admin/domains/indahnesia.nl/flarum/site.php(47): Flarum\Foundation\Site::fromPaths() #3 /home/admin/domains/indahnesia.nl/private_html/index.php(12): require('...') #4 {main} thrown in /home/admin/domains/indahnesia.nl/flarum/extend.php on line 19