Fatal error: Uncaught Error: Class "Illuminate\Cache\Lock" not found in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Cache/DatabaseLock.php:9 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Cache/DatabaseLock.php on line 9