Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Rule" not found in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/Modules/Media/Rules/FileExtensionRule.php:12 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/Modules/Media/Rules/FileExtensionRule.php on line 12