Fatal error: Uncaught Error: Class 'Illuminate\Cache\Lock' not found in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Cache\NoLock.php:5 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Cache\NoLock.php on line 5