Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Exception\TooManyRequestsHttpException' not found in /home/edmedu/www/hana-edu.co.kr/sf4l/vendor/laravel/framework/src/Illuminate/Http/Exceptions/ThrottleRequestsException.php:8 Stack trace: #0 {main} thrown in /home/edmedu/www/hana-edu.co.kr/sf4l/vendor/laravel/framework/src/Illuminate/Http/Exceptions/ThrottleRequestsException.php on line 8