Fatal error: Uncaught Error: Class 'Illuminate\Database\DatabaseManager' not found in C:\xampp\htdocs\fiveplus\vendor\jacquestvanzuydam\laravel-firebird\src\Firebird\DatabaseManager.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fiveplus\vendor\jacquestvanzuydam\laravel-firebird\src\Firebird\DatabaseManager.php on line 7