Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Support\Renderable" not found in /home/sardosne/flarum.sardos.net/vendor/flarum/core/src/Frontend/Document.php:26 Stack trace: #0 {main} thrown in /home/sardosne/flarum.sardos.net/vendor/flarum/core/src/Frontend/Document.php on line 26