Fatal error: Uncaught Error: Class "Opis\Closure\SerializableClosure" not found in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Queue/SerializableClosure.php:10 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Queue/SerializableClosure.php on line 10