Fatal error: Uncaught Error: Class "Illuminate\Database\Connection" not found in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Database\PostgresConnection.php:14 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Database\PostgresConnection.php on line 14