Fatal error: Uncaught Error: Class "Illuminate\Cache\Events\CacheEvent" not found in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Cache/Events/KeyWritten.php:5 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Cache/Events/KeyWritten.php on line 5