Fatal error: Uncaught Error: Class "Illuminate\Foundation\Http\FormRequest" not found in C:\xampp\htdocs\new_saas\backend\app\Http\Requests\StoreCouponRequest.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\new_saas\backend\app\Http\Requests\StoreCouponRequest.php on line 6