Fatal error: Uncaught Error: Class "Orchestra\Canvas\Core\Presets\Preset" not found in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/orchestra/workbench/src/GeneratorPreset.php:10 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/orchestra/workbench/src/GeneratorPreset.php on line 10