Fatal error: Uncaught Error: Class "Illuminate\Routing\Controller" not found in C:\xampp\htdocs\addfirst\Modules\Newsletter\Http\Controllers\Admin\NewsletterController.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\addfirst\Modules\Newsletter\Http\Controllers\Admin\NewsletterController.php on line 15