Fatal error: Uncaught Error: Class "Illuminate\Database\Connection" not found in C:\xampp\htdocs\m-admin\vendor\laravel\framework\src\Illuminate\Database\PostgresConnection.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\m-admin\vendor\laravel\framework\src\Illuminate\Database\PostgresConnection.php on line 13