Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\BelongsToMany" not found in /var/www/html/casavio-qa2.das24.it/httpdocs_old/laravel/vendor/genealabs/laravel-pivot-events/src/Relations/BelongsToManyCustom.php:6 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa2.das24.it/httpdocs_old/laravel/vendor/genealabs/laravel-pivot-events/src/Relations/BelongsToManyCustom.php on line 6