Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Relation" not found in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/Modules/Xot/Relations/CustomRelation.php:29 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/Modules/Xot/Relations/CustomRelation.php on line 29