Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Exception\HttpException" not found in /home/deborapsol/laravel/vendor/laravel/framework/src/Illuminate/Routing/Exceptions/InvalidSignatureException.php:7 Stack trace: #0 {main} thrown in /home/deborapsol/laravel/vendor/laravel/framework/src/Illuminate/Routing/Exceptions/InvalidSignatureException.php on line 7