Fatal error: Uncaught Error: Class "Illuminate\Foundation\Http\FormRequest" not found in C:\xampp\htdocs\exam-system\app\Http\Requests\Teacher\UpdateQuestionBankRequest.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\exam-system\app\Http\Requests\Teacher\UpdateQuestionBankRequest.php on line 7