Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Relation" not found in /var/www/develop/www/php/vendor/illuminate/database/Eloquent/Relations/HasManyThrough.php:12 Stack trace: #0 {main} thrown in /var/www/develop/www/php/vendor/illuminate/database/Eloquent/Relations/HasManyThrough.php on line 12