Fatal error: Uncaught Error: Class "Illuminate\Database\Connectors\Connector" not found in D:\Apache24\www\qilu\back-end\vendor\laravel\framework\src\Illuminate\Database\Connectors\PostgresConnector.php:8 Stack trace: #0 {main} thrown in D:\Apache24\www\qilu\back-end\vendor\laravel\framework\src\Illuminate\Database\Connectors\PostgresConnector.php on line 8