Fatal error: Uncaught Error: Class "Illuminate\Database\Connection" not found in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Database\MySqlConnection.php:12 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Database\MySqlConnection.php on line 12