Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\JsonResponse" not found in /home/demodh/leads.demo.diana.com.bd/vendor/laravel/framework/src/Illuminate/Http/JsonResponse.php:12 Stack trace: #0 {main} thrown in /home/demodh/leads.demo.diana.com.bd/vendor/laravel/framework/src/Illuminate/Http/JsonResponse.php on line 12