Fatal error: Uncaught InvalidArgumentException: Route [/error] not defined. in /mnt/seozhanqun/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php:305 Stack trace: #0 /mnt/seozhanqun/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php(790): Illuminate\Routing\UrlGenerator->route('/error', Array, false) #1 /mnt/seozhanqun/app/Exceptions/Handler.php(59): route('/error') #2 /mnt/seozhanqun/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(326): App\Exceptions\Handler->render(Object(Illuminate\Http\Request), Object(Symfony\Component\Debug\Exception\FatalThrowableError)) #3 /mnt/seozhanqun/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(124): Illuminate\Foundation\Http\Kernel->renderException(Object(Illuminate\Http\Request), Object(Symfony\Component\Debug\Exception\FatalThrowableError)) #4 /mnt/seozhanqun/public/index.php(55): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request)) #5 {main} thrown in /mnt/seozhanqun/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php on line 305