Fatal error: Uncaught Error: Interface 'Illuminate\Database\ConnectionResolverInterface' not found in C:\xampp\htdocs\rabani-laravel-firebird\vendor\laravel\framework\src\Illuminate\Database\DatabaseManager.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\rabani-laravel-firebird\vendor\laravel\framework\src\Illuminate\Database\DatabaseManager.php on line 15