Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Relations\Relation' not found in /home/app/htdocs/ninja/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php:11
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php on line 11