Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\BelongsToMany" not found in /home/sardosne/flarum.sardos.net/vendor/illuminate/database/Eloquent/Relations/MorphToMany.php:16 Stack trace: #0 {main} thrown in /home/sardosne/flarum.sardos.net/vendor/illuminate/database/Eloquent/Relations/MorphToMany.php on line 16